Home / 781,510.52-1,172,252.86-249,024.32

Finding the Fourth Proportional to 781,510.52, 1,172,252.86 and 249,024.32

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Solution

The fourth proportional to 781,510.52, 1,172,252.86 and 249,024.32 is: 373,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,510.52 : 1,172,252.86 = 249,024.32 : x
  2. Step 2: Convert to fraction form
    781,510.52/1,172,252.86 = 249,024.32/x
  3. Step 3: Cross multiply
    781,510.52x = 1,172,252.86 × 249,024.32
  4. Step 4: Simplify right side
    781,510.52x = 291,919,471,329.56
  5. Step 5: Solve for x
    x = 291,919,471,329.56/781,510.52
  6. Step 6: Final answer
    x = 373,532.36

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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.