Home / 781,508.02-1,172,249.11-249,021.82

Finding the Fourth Proportional to 781,508.02, 1,172,249.11 and 249,021.82

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Solution

The fourth proportional to 781,508.02, 1,172,249.11 and 249,021.82 is: 373,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,508.02 : 1,172,249.11 = 249,021.82 : x
  2. Step 2: Convert to fraction form
    781,508.02/1,172,249.11 = 249,021.82/x
  3. Step 3: Cross multiply
    781,508.02x = 1,172,249.11 × 249,021.82
  4. Step 4: Simplify right side
    781,508.02x = 291,915,606,865.58
  5. Step 5: Solve for x
    x = 291,915,606,865.58/781,508.02
  6. Step 6: Final answer
    x = 373,528.61

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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.