Home / 804,560.30-1,207,520.85-331,585.10

Finding the Fourth Proportional to 804,560.30, 1,207,520.85 and 331,585.10

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Solution

The fourth proportional to 804,560.30, 1,207,520.85 and 331,585.10 is: 497,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,560.30 : 1,207,520.85 = 331,585.10 : x
  2. Step 2: Convert to fraction form
    804,560.30/1,207,520.85 = 331,585.10/x
  3. Step 3: Cross multiply
    804,560.30x = 1,207,520.85 × 331,585.10
  4. Step 4: Simplify right side
    804,560.30x = 400,395,921,799.34
  5. Step 5: Solve for x
    x = 400,395,921,799.34/804,560.30
  6. Step 6: Final answer
    x = 497,658.06

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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.