Home / 925,237.08-1,388,249.28-392,872.68

Finding the Fourth Proportional to 925,237.08, 1,388,249.28 and 392,872.68

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Solution

The fourth proportional to 925,237.08, 1,388,249.28 and 392,872.68 is: 589,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,237.08 : 1,388,249.28 = 392,872.68 : x
  2. Step 2: Convert to fraction form
    925,237.08/1,388,249.28 = 392,872.68/x
  3. Step 3: Cross multiply
    925,237.08x = 1,388,249.28 × 392,872.68
  4. Step 4: Simplify right side
    925,237.08x = 545,405,215,141.67
  5. Step 5: Solve for x
    x = 545,405,215,141.67/925,237.08
  6. Step 6: Final answer
    x = 589,476.18

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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.