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Finding the Fourth Proportional to 529,002.30, 793,503.45 and 521,129.10

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Solution

The fourth proportional to 529,002.30, 793,503.45 and 521,129.10 is: 781,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,002.30 : 793,503.45 = 521,129.10 : x
  2. Step 2: Convert to fraction form
    529,002.30/793,503.45 = 521,129.10/x
  3. Step 3: Cross multiply
    529,002.30x = 793,503.45 × 521,129.10
  4. Step 4: Simplify right side
    529,002.30x = 413,517,738,745.40
  5. Step 5: Solve for x
    x = 413,517,738,745.40/529,002.30
  6. Step 6: Final answer
    x = 781,693.65

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Similar ratio
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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.