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Finding the Fourth Proportional to 663,281.60, 992,805.60 and 523,313.60

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Solution

The fourth proportional to 663,281.60, 992,805.60 and 523,313.60 is: 783,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,281.60 : 992,805.60 = 523,313.60 : x
  2. Step 2: Convert to fraction form
    663,281.60/992,805.60 = 523,313.60/x
  3. Step 3: Cross multiply
    663,281.60x = 992,805.60 × 523,313.60
  4. Step 4: Simplify right side
    663,281.60x = 519,548,672,636.16
  5. Step 5: Solve for x
    x = 519,548,672,636.16/663,281.60
  6. Step 6: Final answer
    x = 783,300.29

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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.