Home / 426,419.64-588,458.72-235,434.20

Finding the Fourth Proportional to 426,419.64, 588,458.72 and 235,434.20

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Solution

The fourth proportional to 426,419.64, 588,458.72 and 235,434.20 is: 324,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,419.64 : 588,458.72 = 235,434.20 : x
  2. Step 2: Convert to fraction form
    426,419.64/588,458.72 = 235,434.20/x
  3. Step 3: Cross multiply
    426,419.64x = 588,458.72 × 235,434.20
  4. Step 4: Simplify right side
    426,419.64x = 138,543,305,622.52
  5. Step 5: Solve for x
    x = 138,543,305,622.52/426,419.64
  6. Step 6: Final answer
    x = 324,898.98

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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.