Home / 579,860.57-870,012.29-327,426.10

Finding the Fourth Proportional to 579,860.57, 870,012.29 and 327,426.10

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Solution

The fourth proportional to 579,860.57, 870,012.29 and 327,426.10 is: 491,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,860.57 : 870,012.29 = 327,426.10 : x
  2. Step 2: Convert to fraction form
    579,860.57/870,012.29 = 327,426.10/x
  3. Step 3: Cross multiply
    579,860.57x = 870,012.29 × 327,426.10
  4. Step 4: Simplify right side
    579,860.57x = 284,864,729,710.30
  5. Step 5: Solve for x
    x = 284,864,729,710.30/579,860.57
  6. Step 6: Final answer
    x = 491,264.18

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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.