Home / 870,028.10-1,305,517.83-337,570.15

Finding the Fourth Proportional to 870,028.10, 1,305,517.83 and 337,570.15

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Solution

The fourth proportional to 870,028.10, 1,305,517.83 and 337,570.15 is: 506,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,028.10 : 1,305,517.83 = 337,570.15 : x
  2. Step 2: Convert to fraction form
    870,028.10/1,305,517.83 = 337,570.15/x
  3. Step 3: Cross multiply
    870,028.10x = 1,305,517.83 × 337,570.15
  4. Step 4: Simplify right side
    870,028.10x = 440,703,849,700.78
  5. Step 5: Solve for x
    x = 440,703,849,700.78/870,028.10
  6. Step 6: Final answer
    x = 506,539.79

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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.