Home / 485,934.24-729,122.90-249,443.13

Finding the Fourth Proportional to 485,934.24, 729,122.90 and 249,443.13

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Solution

The fourth proportional to 485,934.24, 729,122.90 and 249,443.13 is: 374,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,934.24 : 729,122.90 = 249,443.13 : x
  2. Step 2: Convert to fraction form
    485,934.24/729,122.90 = 249,443.13/x
  3. Step 3: Cross multiply
    485,934.24x = 729,122.90 × 249,443.13
  4. Step 4: Simplify right side
    485,934.24x = 181,874,697,083.46
  5. Step 5: Solve for x
    x = 181,874,697,083.46/485,934.24
  6. Step 6: Final answer
    x = 374,278.41

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1.5x scale

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.