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Finding the Fourth Proportional to 502,076.70, 752,877.45 and 291,779.10

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Solution

The fourth proportional to 502,076.70, 752,877.45 and 291,779.10 is: 437,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,076.70 : 752,877.45 = 291,779.10 : x
  2. Step 2: Convert to fraction form
    502,076.70/752,877.45 = 291,779.10/x
  3. Step 3: Cross multiply
    502,076.70x = 752,877.45 × 291,779.10
  4. Step 4: Simplify right side
    502,076.70x = 219,673,904,771.30
  5. Step 5: Solve for x
    x = 219,673,904,771.30/502,076.70
  6. Step 6: Final answer
    x = 437,530.57

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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.