Home / 804,764.20-1,206,708.90-331,497.40

Finding the Fourth Proportional to 804,764.20, 1,206,708.90 and 331,497.40

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Solution

The fourth proportional to 804,764.20, 1,206,708.90 and 331,497.40 is: 497,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,764.20 : 1,206,708.90 = 331,497.40 : x
  2. Step 2: Convert to fraction form
    804,764.20/1,206,708.90 = 331,497.40/x
  3. Step 3: Cross multiply
    804,764.20x = 1,206,708.90 × 331,497.40
  4. Step 4: Simplify right side
    804,764.20x = 400,020,862,906.86
  5. Step 5: Solve for x
    x = 400,020,862,906.86/804,764.20
  6. Step 6: Final answer
    x = 497,065.93

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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.