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Finding the Fourth Proportional to 484,593.60, 726,890.40 and 307,300.80

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Solution

The fourth proportional to 484,593.60, 726,890.40 and 307,300.80 is: 460,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,593.60 : 726,890.40 = 307,300.80 : x
  2. Step 2: Convert to fraction form
    484,593.60/726,890.40 = 307,300.80/x
  3. Step 3: Cross multiply
    484,593.60x = 726,890.40 × 307,300.80
  4. Step 4: Simplify right side
    484,593.60x = 223,374,001,432.32
  5. Step 5: Solve for x
    x = 223,374,001,432.32/484,593.60
  6. Step 6: Final answer
    x = 460,951.20

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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.