Home / 804,869.40-1,207,304.10-486,004.80

Finding the Fourth Proportional to 804,869.40, 1,207,304.10 and 486,004.80

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Solution

The fourth proportional to 804,869.40, 1,207,304.10 and 486,004.80 is: 729,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,869.40 : 1,207,304.10 = 486,004.80 : x
  2. Step 2: Convert to fraction form
    804,869.40/1,207,304.10 = 486,004.80/x
  3. Step 3: Cross multiply
    804,869.40x = 1,207,304.10 × 486,004.80
  4. Step 4: Simplify right side
    804,869.40x = 586,755,587,659.68
  5. Step 5: Solve for x
    x = 586,755,587,659.68/804,869.40
  6. Step 6: Final answer
    x = 729,007.20

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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.