Home / 426,397.03-588,428.78-235,410.79

Finding the Fourth Proportional to 426,397.03, 588,428.78 and 235,410.79

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Solution

The fourth proportional to 426,397.03, 588,428.78 and 235,410.79 is: 324,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,397.03 : 588,428.78 = 235,410.79 : x
  2. Step 2: Convert to fraction form
    426,397.03/588,428.78 = 235,410.79/x
  3. Step 3: Cross multiply
    426,397.03x = 588,428.78 × 235,410.79
  4. Step 4: Simplify right side
    426,397.03x = 138,522,482,781.48
  5. Step 5: Solve for x
    x = 138,522,482,781.48/426,397.03
  6. Step 6: Final answer
    x = 324,867.37

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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.