Home / 687,425.26-1,030,891.84-238,025.45

Finding the Fourth Proportional to 687,425.26, 1,030,891.84 and 238,025.45

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Solution

The fourth proportional to 687,425.26, 1,030,891.84 and 238,025.45 is: 356,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,425.26 : 1,030,891.84 = 238,025.45 : x
  2. Step 2: Convert to fraction form
    687,425.26/1,030,891.84 = 238,025.45/x
  3. Step 3: Cross multiply
    687,425.26x = 1,030,891.84 × 238,025.45
  4. Step 4: Simplify right side
    687,425.26x = 245,378,487,772.74
  5. Step 5: Solve for x
    x = 245,378,487,772.74/687,425.26
  6. Step 6: Final answer
    x = 356,952.97

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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.