Home / 555,086.31-766,025.38-325,647.50

Finding the Fourth Proportional to 555,086.31, 766,025.38 and 325,647.50

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Solution

The fourth proportional to 555,086.31, 766,025.38 and 325,647.50 is: 449,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,086.31 : 766,025.38 = 325,647.50 : x
  2. Step 2: Convert to fraction form
    555,086.31/766,025.38 = 325,647.50/x
  3. Step 3: Cross multiply
    555,086.31x = 766,025.38 × 325,647.50
  4. Step 4: Simplify right side
    555,086.31x = 249,454,251,034.50
  5. Step 5: Solve for x
    x = 249,454,251,034.50/555,086.31
  6. Step 6: Final answer
    x = 449,397.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.