Home / 782,970.90-1,174,545.08-702,514.55

Finding the Fourth Proportional to 782,970.90, 1,174,545.08 and 702,514.55

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Solution

The fourth proportional to 782,970.90, 1,174,545.08 and 702,514.55 is: 1,053,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,970.90 : 1,174,545.08 = 702,514.55 : x
  2. Step 2: Convert to fraction form
    782,970.90/1,174,545.08 = 702,514.55/x
  3. Step 3: Cross multiply
    782,970.90x = 1,174,545.08 × 702,514.55
  4. Step 4: Simplify right side
    782,970.90x = 825,135,008,330.91
  5. Step 5: Solve for x
    x = 825,135,008,330.91/782,970.90
  6. Step 6: Final answer
    x = 1,053,851.44

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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.