Home / 555,414.31-766,499.66-325,981.54

Finding the Fourth Proportional to 555,414.31, 766,499.66 and 325,981.54

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Solution

The fourth proportional to 555,414.31, 766,499.66 and 325,981.54 is: 449,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,414.31 : 766,499.66 = 325,981.54 : x
  2. Step 2: Convert to fraction form
    555,414.31/766,499.66 = 325,981.54/x
  3. Step 3: Cross multiply
    555,414.31x = 766,499.66 × 325,981.54
  4. Step 4: Simplify right side
    555,414.31x = 249,864,739,576.28
  5. Step 5: Solve for x
    x = 249,864,739,576.28/555,414.31
  6. Step 6: Final answer
    x = 449,870.91

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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.