Home / 607,939.06-838,520.80-426,691.43

Finding the Fourth Proportional to 607,939.06, 838,520.80 and 426,691.43

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Solution

The fourth proportional to 607,939.06, 838,520.80 and 426,691.43 is: 588,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,939.06 : 838,520.80 = 426,691.43 : x
  2. Step 2: Convert to fraction form
    607,939.06/838,520.80 = 426,691.43/x
  3. Step 3: Cross multiply
    607,939.06x = 838,520.80 × 426,691.43
  4. Step 4: Simplify right side
    607,939.06x = 357,789,639,236.74
  5. Step 5: Solve for x
    x = 357,789,639,236.74/607,939.06
  6. Step 6: Final answer
    x = 588,528.79

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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.