Home / 677,931.92-935,543.46-372,013.42

Finding the Fourth Proportional to 677,931.92, 935,543.46 and 372,013.42

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Solution

The fourth proportional to 677,931.92, 935,543.46 and 372,013.42 is: 513,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,931.92 : 935,543.46 = 372,013.42 : x
  2. Step 2: Convert to fraction form
    677,931.92/935,543.46 = 372,013.42/x
  3. Step 3: Cross multiply
    677,931.92x = 935,543.46 × 372,013.42
  4. Step 4: Simplify right side
    677,931.92x = 348,034,722,113.23
  5. Step 5: Solve for x
    x = 348,034,722,113.23/677,931.92
  6. Step 6: Final answer
    x = 513,377.10

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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.