Home / 731,864.19-1,098,803.72-372,278.40

Finding the Fourth Proportional to 731,864.19, 1,098,803.72 and 372,278.40

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Solution

The fourth proportional to 731,864.19, 1,098,803.72 and 372,278.40 is: 558,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,864.19 : 1,098,803.72 = 372,278.40 : x
  2. Step 2: Convert to fraction form
    731,864.19/1,098,803.72 = 372,278.40/x
  3. Step 3: Cross multiply
    731,864.19x = 1,098,803.72 × 372,278.40
  4. Step 4: Simplify right side
    731,864.19x = 409,060,888,934.26
  5. Step 5: Solve for x
    x = 409,060,888,934.26/731,864.19
  6. Step 6: Final answer
    x = 558,930.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.