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Finding the Fourth Proportional to 663,452.80, 994,349.76 and 522,655.36

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Solution

The fourth proportional to 663,452.80, 994,349.76 and 522,655.36 is: 783,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,452.80 : 994,349.76 = 522,655.36 : x
  2. Step 2: Convert to fraction form
    663,452.80/994,349.76 = 522,655.36/x
  3. Step 3: Cross multiply
    663,452.80x = 994,349.76 × 522,655.36
  4. Step 4: Simplify right side
    663,452.80x = 519,702,231,778.71
  5. Step 5: Solve for x
    x = 519,702,231,778.71/663,452.80
  6. Step 6: Final answer
    x = 783,329.62

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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.