Home / 748,331-1,122,506.21-249,695

Finding the Fourth Proportional to 748,331, 1,122,506.21 and 249,695

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Solution

The fourth proportional to 748,331, 1,122,506.21 and 249,695 is: 374,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,331 : 1,122,506.21 = 249,695 : x
  2. Step 2: Convert to fraction form
    748,331/1,122,506.21 = 249,695/x
  3. Step 3: Cross multiply
    748,331x = 1,122,506.21 × 249,695
  4. Step 4: Simplify right side
    748,331x = 280,284,188,105.95
  5. Step 5: Solve for x
    x = 280,284,188,105.95/748,331
  6. Step 6: Final answer
    x = 374,545.74

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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.