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Finding the Fourth Proportional to 663,299.60, 992,832.60 and 523,331.60

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Solution

The fourth proportional to 663,299.60, 992,832.60 and 523,331.60 is: 783,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,299.60 : 992,832.60 = 523,331.60 : x
  2. Step 2: Convert to fraction form
    663,299.60/992,832.60 = 523,331.60/x
  3. Step 3: Cross multiply
    663,299.60x = 992,832.60 × 523,331.60
  4. Step 4: Simplify right side
    663,299.60x = 519,580,673,090.16
  5. Step 5: Solve for x
    x = 519,580,673,090.16/663,299.60
  6. Step 6: Final answer
    x = 783,327.28

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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.