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Finding the Fourth Proportional to 529,070.30, 793,605.45 and 488,519.90

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Solution

The fourth proportional to 529,070.30, 793,605.45 and 488,519.90 is: 732,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,070.30 : 793,605.45 = 488,519.90 : x
  2. Step 2: Convert to fraction form
    529,070.30/793,605.45 = 488,519.90/x
  3. Step 3: Cross multiply
    529,070.30x = 793,605.45 × 488,519.90
  4. Step 4: Simplify right side
    529,070.30x = 387,692,055,073.46
  5. Step 5: Solve for x
    x = 387,692,055,073.46/529,070.30
  6. Step 6: Final answer
    x = 732,779.85

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Double scale
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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.