Home / 925,306.80-1,387,960.20-715,095.60

Finding the Fourth Proportional to 925,306.80, 1,387,960.20 and 715,095.60

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Solution

The fourth proportional to 925,306.80, 1,387,960.20 and 715,095.60 is: 1,072,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,306.80 : 1,387,960.20 = 715,095.60 : x
  2. Step 2: Convert to fraction form
    925,306.80/1,387,960.20 = 715,095.60/x
  3. Step 3: Cross multiply
    925,306.80x = 1,387,960.20 × 715,095.60
  4. Step 4: Simplify right side
    925,306.80x = 992,524,231,995.12
  5. Step 5: Solve for x
    x = 992,524,231,995.12/925,306.80
  6. Step 6: Final answer
    x = 1,072,643.40

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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.