Home / 781,452.16-1,172,355.04-249,003.52

Finding the Fourth Proportional to 781,452.16, 1,172,355.04 and 249,003.52

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Solution

The fourth proportional to 781,452.16, 1,172,355.04 and 249,003.52 is: 373,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,452.16 : 1,172,355.04 = 249,003.52 : x
  2. Step 2: Convert to fraction form
    781,452.16/1,172,355.04 = 249,003.52/x
  3. Step 3: Cross multiply
    781,452.16x = 1,172,355.04 × 249,003.52
  4. Step 4: Simplify right side
    781,452.16x = 291,920,531,649.74
  5. Step 5: Solve for x
    x = 291,920,531,649.74/781,452.16
  6. Step 6: Final answer
    x = 373,561.62

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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.