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Finding the Fourth Proportional to 522,007.60, 783,011.40 and 497,513.20

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Solution

The fourth proportional to 522,007.60, 783,011.40 and 497,513.20 is: 746,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,007.60 : 783,011.40 = 497,513.20 : x
  2. Step 2: Convert to fraction form
    522,007.60/783,011.40 = 497,513.20/x
  3. Step 3: Cross multiply
    522,007.60x = 783,011.40 × 497,513.20
  4. Step 4: Simplify right side
    522,007.60x = 389,558,507,250.48
  5. Step 5: Solve for x
    x = 389,558,507,250.48/522,007.60
  6. Step 6: Final answer
    x = 746,269.80

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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.