Home / 582,008.40-872,551.80-319,352.40

Finding the Fourth Proportional to 582,008.40, 872,551.80 and 319,352.40

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Solution

The fourth proportional to 582,008.40, 872,551.80 and 319,352.40 is: 478,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,008.40 : 872,551.80 = 319,352.40 : x
  2. Step 2: Convert to fraction form
    582,008.40/872,551.80 = 319,352.40/x
  3. Step 3: Cross multiply
    582,008.40x = 872,551.80 × 319,352.40
  4. Step 4: Simplify right side
    582,008.40x = 278,651,511,454.32
  5. Step 5: Solve for x
    x = 278,651,511,454.32/582,008.40
  6. Step 6: Final answer
    x = 478,775.76

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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.