Home / 426,781.98-588,965.31-235,799.78

Finding the Fourth Proportional to 426,781.98, 588,965.31 and 235,799.78

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Solution

The fourth proportional to 426,781.98, 588,965.31 and 235,799.78 is: 325,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,781.98 : 588,965.31 = 235,799.78 : x
  2. Step 2: Convert to fraction form
    426,781.98/588,965.31 = 235,799.78/x
  3. Step 3: Cross multiply
    426,781.98x = 588,965.31 × 235,799.78
  4. Step 4: Simplify right side
    426,781.98x = 138,877,887,580.81
  5. Step 5: Solve for x
    x = 138,877,887,580.81/426,781.98
  6. Step 6: Final answer
    x = 325,407.10

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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.