Home / 426,428.53-588,467.40-235,443.28

Finding the Fourth Proportional to 426,428.53, 588,467.40 and 235,443.28

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Solution

The fourth proportional to 426,428.53, 588,467.40 and 235,443.28 is: 324,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,428.53 : 588,467.40 = 235,443.28 : x
  2. Step 2: Convert to fraction form
    426,428.53/588,467.40 = 235,443.28/x
  3. Step 3: Cross multiply
    426,428.53x = 588,467.40 × 235,443.28
  4. Step 4: Simplify right side
    426,428.53x = 138,550,694,829.07
  5. Step 5: Solve for x
    x = 138,550,694,829.07/426,428.53
  6. Step 6: Final answer
    x = 324,909.53

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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.