Home / 804,419.60-1,206,629.40-534,981.20

Finding the Fourth Proportional to 804,419.60, 1,206,629.40 and 534,981.20

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Solution

The fourth proportional to 804,419.60, 1,206,629.40 and 534,981.20 is: 802,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,419.60 : 1,206,629.40 = 534,981.20 : x
  2. Step 2: Convert to fraction form
    804,419.60/1,206,629.40 = 534,981.20/x
  3. Step 3: Cross multiply
    804,419.60x = 1,206,629.40 × 534,981.20
  4. Step 4: Simplify right side
    804,419.60x = 645,524,044,367.28
  5. Step 5: Solve for x
    x = 645,524,044,367.28/804,419.60
  6. Step 6: Final answer
    x = 802,471.80

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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.