Home / 834,626.80-1,253,252.40-480,332.80

Finding the Fourth Proportional to 834,626.80, 1,253,252.40 and 480,332.80

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Solution

The fourth proportional to 834,626.80, 1,253,252.40 and 480,332.80 is: 721,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,626.80 : 1,253,252.40 = 480,332.80 : x
  2. Step 2: Convert to fraction form
    834,626.80/1,253,252.40 = 480,332.80/x
  3. Step 3: Cross multiply
    834,626.80x = 1,253,252.40 × 480,332.80
  4. Step 4: Simplify right side
    834,626.80x = 601,978,234,398.72
  5. Step 5: Solve for x
    x = 601,978,234,398.72/834,626.80
  6. Step 6: Final answer
    x = 721,254.38

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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.