Home / 817,672.40-1,226,508.60-534,237.20

Finding the Fourth Proportional to 817,672.40, 1,226,508.60 and 534,237.20

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Solution

The fourth proportional to 817,672.40, 1,226,508.60 and 534,237.20 is: 801,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,672.40 : 1,226,508.60 = 534,237.20 : x
  2. Step 2: Convert to fraction form
    817,672.40/1,226,508.60 = 534,237.20/x
  3. Step 3: Cross multiply
    817,672.40x = 1,226,508.60 × 534,237.20
  4. Step 4: Simplify right side
    817,672.40x = 655,246,520,239.92
  5. Step 5: Solve for x
    x = 655,246,520,239.92/817,672.40
  6. Step 6: Final answer
    x = 801,355.80

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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.