Home / 925,374.30-1,388,061.45-715,422.30

Finding the Fourth Proportional to 925,374.30, 1,388,061.45 and 715,422.30

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Solution

The fourth proportional to 925,374.30, 1,388,061.45 and 715,422.30 is: 1,073,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,374.30 : 1,388,061.45 = 715,422.30 : x
  2. Step 2: Convert to fraction form
    925,374.30/1,388,061.45 = 715,422.30/x
  3. Step 3: Cross multiply
    925,374.30x = 1,388,061.45 × 715,422.30
  4. Step 4: Simplify right side
    925,374.30x = 993,050,115,100.34
  5. Step 5: Solve for x
    x = 993,050,115,100.34/925,374.30
  6. Step 6: Final answer
    x = 1,073,133.45

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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.