Home / 485,932.46-729,120.22-249,441.35

Finding the Fourth Proportional to 485,932.46, 729,120.22 and 249,441.35

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Solution

The fourth proportional to 485,932.46, 729,120.22 and 249,441.35 is: 374,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,932.46 : 729,120.22 = 249,441.35 : x
  2. Step 2: Convert to fraction form
    485,932.46/729,120.22 = 249,441.35/x
  3. Step 3: Cross multiply
    485,932.46x = 729,120.22 × 249,441.35
  4. Step 4: Simplify right side
    485,932.46x = 181,872,727,719.89
  5. Step 5: Solve for x
    x = 181,872,727,719.89/485,932.46
  6. Step 6: Final answer
    x = 374,275.74

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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.