Home / 725,226.86-1,087,319.24-340,758.92

Finding the Fourth Proportional to 725,226.86, 1,087,319.24 and 340,758.92

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Solution

The fourth proportional to 725,226.86, 1,087,319.24 and 340,758.92 is: 510,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,226.86 : 1,087,319.24 = 340,758.92 : x
  2. Step 2: Convert to fraction form
    725,226.86/1,087,319.24 = 340,758.92/x
  3. Step 3: Cross multiply
    725,226.86x = 1,087,319.24 × 340,758.92
  4. Step 4: Simplify right side
    725,226.86x = 370,513,730,932.12
  5. Step 5: Solve for x
    x = 370,513,730,932.12/725,226.86
  6. Step 6: Final answer
    x = 510,893.56

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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.