Home / 804,876.20-1,207,314.30-486,011.60

Finding the Fourth Proportional to 804,876.20, 1,207,314.30 and 486,011.60

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Solution

The fourth proportional to 804,876.20, 1,207,314.30 and 486,011.60 is: 729,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,876.20 : 1,207,314.30 = 486,011.60 : x
  2. Step 2: Convert to fraction form
    804,876.20/1,207,314.30 = 486,011.60/x
  3. Step 3: Cross multiply
    804,876.20x = 1,207,314.30 × 486,011.60
  4. Step 4: Simplify right side
    804,876.20x = 586,768,754,645.88
  5. Step 5: Solve for x
    x = 586,768,754,645.88/804,876.20
  6. Step 6: Final answer
    x = 729,017.40

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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.