Home / 781,500.47-1,172,237.91-249,014.30

Finding the Fourth Proportional to 781,500.47, 1,172,237.91 and 249,014.30

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Solution

The fourth proportional to 781,500.47, 1,172,237.91 and 249,014.30 is: 373,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,500.47 : 1,172,237.91 = 249,014.30 : x
  2. Step 2: Convert to fraction form
    781,500.47/1,172,237.91 = 249,014.30/x
  3. Step 3: Cross multiply
    781,500.47x = 1,172,237.91 × 249,014.30
  4. Step 4: Simplify right side
    781,500.47x = 291,904,002,592.11
  5. Step 5: Solve for x
    x = 291,904,002,592.11/781,500.47
  6. Step 6: Final answer
    x = 373,517.37

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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.