Home / 426,077.28-587,989.80-235,097.76

Finding the Fourth Proportional to 426,077.28, 587,989.80 and 235,097.76

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Solution

The fourth proportional to 426,077.28, 587,989.80 and 235,097.76 is: 324,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,077.28 : 587,989.80 = 235,097.76 : x
  2. Step 2: Convert to fraction form
    426,077.28/587,989.80 = 235,097.76/x
  3. Step 3: Cross multiply
    426,077.28x = 587,989.80 × 235,097.76
  4. Step 4: Simplify right side
    426,077.28x = 138,235,084,882.85
  5. Step 5: Solve for x
    x = 138,235,084,882.85/426,077.28
  6. Step 6: Final answer
    x = 324,436.65

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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.