Home / 788,123.25-1,182,074.04-255,648.96

Finding the Fourth Proportional to 788,123.25, 1,182,074.04 and 255,648.96

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Solution

The fourth proportional to 788,123.25, 1,182,074.04 and 255,648.96 is: 383,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,123.25 : 1,182,074.04 = 255,648.96 : x
  2. Step 2: Convert to fraction form
    788,123.25/1,182,074.04 = 255,648.96/x
  3. Step 3: Cross multiply
    788,123.25x = 1,182,074.04 × 255,648.96
  4. Step 4: Simplify right side
    788,123.25x = 302,195,998,969.00
  5. Step 5: Solve for x
    x = 302,195,998,969.00/788,123.25
  6. Step 6: Final answer
    x = 383,437.49

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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.