Home / 804,868.40-1,207,302.60-486,003.80

Finding the Fourth Proportional to 804,868.40, 1,207,302.60 and 486,003.80

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Solution

The fourth proportional to 804,868.40, 1,207,302.60 and 486,003.80 is: 729,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,868.40 : 1,207,302.60 = 486,003.80 : x
  2. Step 2: Convert to fraction form
    804,868.40/1,207,302.60 = 486,003.80/x
  3. Step 3: Cross multiply
    804,868.40x = 1,207,302.60 × 486,003.80
  4. Step 4: Simplify right side
    804,868.40x = 586,753,651,349.88
  5. Step 5: Solve for x
    x = 586,753,651,349.88/804,868.40
  6. Step 6: Final answer
    x = 729,005.70

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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.