Home / 827,167.40-1,240,751.10-472,217.30

Finding the Fourth Proportional to 827,167.40, 1,240,751.10 and 472,217.30

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Solution

The fourth proportional to 827,167.40, 1,240,751.10 and 472,217.30 is: 708,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,167.40 : 1,240,751.10 = 472,217.30 : x
  2. Step 2: Convert to fraction form
    827,167.40/1,240,751.10 = 472,217.30/x
  3. Step 3: Cross multiply
    827,167.40x = 1,240,751.10 × 472,217.30
  4. Step 4: Simplify right side
    827,167.40x = 585,904,134,414.03
  5. Step 5: Solve for x
    x = 585,904,134,414.03/827,167.40
  6. Step 6: Final answer
    x = 708,325.95

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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.