Home / 674,301.15-930,537.45-368,380.35

Finding the Fourth Proportional to 674,301.15, 930,537.45 and 368,380.35

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Solution

The fourth proportional to 674,301.15, 930,537.45 and 368,380.35 is: 508,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,301.15 : 930,537.45 = 368,380.35 : x
  2. Step 2: Convert to fraction form
    674,301.15/930,537.45 = 368,380.35/x
  3. Step 3: Cross multiply
    674,301.15x = 930,537.45 × 368,380.35
  4. Step 4: Simplify right side
    674,301.15x = 342,791,711,519.11
  5. Step 5: Solve for x
    x = 342,791,711,519.11/674,301.15
  6. Step 6: Final answer
    x = 508,365.90

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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.