Home / 687,424.76-1,030,891.08-238,024.95

Finding the Fourth Proportional to 687,424.76, 1,030,891.08 and 238,024.95

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Solution

The fourth proportional to 687,424.76, 1,030,891.08 and 238,024.95 is: 356,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,424.76 : 1,030,891.08 = 238,024.95 : x
  2. Step 2: Convert to fraction form
    687,424.76/1,030,891.08 = 238,024.95/x
  3. Step 3: Cross multiply
    687,424.76x = 1,030,891.08 × 238,024.95
  4. Step 4: Simplify right side
    687,424.76x = 245,377,794,799.20
  5. Step 5: Solve for x
    x = 245,377,794,799.20/687,424.76
  6. Step 6: Final answer
    x = 356,952.22

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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.