Home / 788,331.10-1,182,496.65-289,630.30

Finding the Fourth Proportional to 788,331.10, 1,182,496.65 and 289,630.30

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Solution

The fourth proportional to 788,331.10, 1,182,496.65 and 289,630.30 is: 434,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,331.10 : 1,182,496.65 = 289,630.30 : x
  2. Step 2: Convert to fraction form
    788,331.10/1,182,496.65 = 289,630.30/x
  3. Step 3: Cross multiply
    788,331.10x = 1,182,496.65 × 289,630.30
  4. Step 4: Simplify right side
    788,331.10x = 342,486,859,488.50
  5. Step 5: Solve for x
    x = 342,486,859,488.50/788,331.10
  6. Step 6: Final answer
    x = 434,445.45

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Half scale
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Double scale
Find fourth proportional to 788,332.10, 1,182,498.15 and 289,631.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.