Home / 672,167.90-927,657.07-502,106.78

Finding the Fourth Proportional to 672,167.90, 927,657.07 and 502,106.78

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Solution

The fourth proportional to 672,167.90, 927,657.07 and 502,106.78 is: 692,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,167.90 : 927,657.07 = 502,106.78 : x
  2. Step 2: Convert to fraction form
    672,167.90/927,657.07 = 502,106.78/x
  3. Step 3: Cross multiply
    672,167.90x = 927,657.07 × 502,106.78
  4. Step 4: Simplify right side
    672,167.90x = 465,782,904,361.94
  5. Step 5: Solve for x
    x = 465,782,904,361.94/672,167.90
  6. Step 6: Final answer
    x = 692,956.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.