Home / 825,443.52-1,238,515.20-451,029.12

Finding the Fourth Proportional to 825,443.52, 1,238,515.20 and 451,029.12

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Solution

The fourth proportional to 825,443.52, 1,238,515.20 and 451,029.12 is: 676,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,443.52 : 1,238,515.20 = 451,029.12 : x
  2. Step 2: Convert to fraction form
    825,443.52/1,238,515.20 = 451,029.12/x
  3. Step 3: Cross multiply
    825,443.52x = 1,238,515.20 × 451,029.12
  4. Step 4: Simplify right side
    825,443.52x = 558,606,420,762.62
  5. Step 5: Solve for x
    x = 558,606,420,762.62/825,443.52
  6. Step 6: Final answer
    x = 676,734.88

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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.