Home / 925,707.24-1,388,560.89-392,854.61

Finding the Fourth Proportional to 925,707.24, 1,388,560.89 and 392,854.61

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Solution

The fourth proportional to 925,707.24, 1,388,560.89 and 392,854.61 is: 589,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,707.24 : 1,388,560.89 = 392,854.61 : x
  2. Step 2: Convert to fraction form
    925,707.24/1,388,560.89 = 392,854.61/x
  3. Step 3: Cross multiply
    925,707.24x = 1,388,560.89 × 392,854.61
  4. Step 4: Simplify right side
    925,707.24x = 545,502,539,959.40
  5. Step 5: Solve for x
    x = 545,502,539,959.40/925,707.24
  6. Step 6: Final answer
    x = 589,281.92

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1.5x scale

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.