Home / 925,085.30-1,387,723.13-349,193.65

Finding the Fourth Proportional to 925,085.30, 1,387,723.13 and 349,193.65

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Solution

The fourth proportional to 925,085.30, 1,387,723.13 and 349,193.65 is: 523,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,085.30 : 1,387,723.13 = 349,193.65 : x
  2. Step 2: Convert to fraction form
    925,085.30/1,387,723.13 = 349,193.65/x
  3. Step 3: Cross multiply
    925,085.30x = 1,387,723.13 × 349,193.65
  4. Step 4: Simplify right side
    925,085.30x = 484,584,096,269.54
  5. Step 5: Solve for x
    x = 484,584,096,269.54/925,085.30
  6. Step 6: Final answer
    x = 523,826.40

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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.