Home / 426,440.20-588,496.65-235,465.66

Finding the Fourth Proportional to 426,440.20, 588,496.65 and 235,465.66

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Solution

The fourth proportional to 426,440.20, 588,496.65 and 235,465.66 is: 324,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,440.20 : 588,496.65 = 235,465.66 : x
  2. Step 2: Convert to fraction form
    426,440.20/588,496.65 = 235,465.66/x
  3. Step 3: Cross multiply
    426,440.20x = 588,496.65 × 235,465.66
  4. Step 4: Simplify right side
    426,440.20x = 138,570,752,100.04
  5. Step 5: Solve for x
    x = 138,570,752,100.04/426,440.20
  6. Step 6: Final answer
    x = 324,947.68

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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.