Home / 781,540.17-1,172,288.38-249,093.15

Finding the Fourth Proportional to 781,540.17, 1,172,288.38 and 249,093.15

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Solution

The fourth proportional to 781,540.17, 1,172,288.38 and 249,093.15 is: 373,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,540.17 : 1,172,288.38 = 249,093.15 : x
  2. Step 2: Convert to fraction form
    781,540.17/1,172,288.38 = 249,093.15/x
  3. Step 3: Cross multiply
    781,540.17x = 1,172,288.38 × 249,093.15
  4. Step 4: Simplify right side
    781,540.17x = 292,009,005,282.60
  5. Step 5: Solve for x
    x = 292,009,005,282.60/781,540.17
  6. Step 6: Final answer
    x = 373,632.75

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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.