Home / 842,870.13-1,264,306.47-344,234.13

Finding the Fourth Proportional to 842,870.13, 1,264,306.47 and 344,234.13

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Solution

The fourth proportional to 842,870.13, 1,264,306.47 and 344,234.13 is: 516,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,870.13 : 1,264,306.47 = 344,234.13 : x
  2. Step 2: Convert to fraction form
    842,870.13/1,264,306.47 = 344,234.13/x
  3. Step 3: Cross multiply
    842,870.13x = 1,264,306.47 × 344,234.13
  4. Step 4: Simplify right side
    842,870.13x = 435,217,437,753.82
  5. Step 5: Solve for x
    x = 435,217,437,753.82/842,870.13
  6. Step 6: Final answer
    x = 516,351.72

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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.