Home / 788,656.10-1,182,984.15-256,230.95

Finding the Fourth Proportional to 788,656.10, 1,182,984.15 and 256,230.95

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Solution

The fourth proportional to 788,656.10, 1,182,984.15 and 256,230.95 is: 384,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,656.10 : 1,182,984.15 = 256,230.95 : x
  2. Step 2: Convert to fraction form
    788,656.10/1,182,984.15 = 256,230.95/x
  3. Step 3: Cross multiply
    788,656.10x = 1,182,984.15 × 256,230.95
  4. Step 4: Simplify right side
    788,656.10x = 303,117,152,589.44
  5. Step 5: Solve for x
    x = 303,117,152,589.44/788,656.10
  6. Step 6: Final answer
    x = 384,346.43

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Double scale
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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.