Home / 782,969.90-1,174,543.58-702,513.55

Finding the Fourth Proportional to 782,969.90, 1,174,543.58 and 702,513.55

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Solution

The fourth proportional to 782,969.90, 1,174,543.58 and 702,513.55 is: 1,053,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,969.90 : 1,174,543.58 = 702,513.55 : x
  2. Step 2: Convert to fraction form
    782,969.90/1,174,543.58 = 702,513.55/x
  3. Step 3: Cross multiply
    782,969.90x = 1,174,543.58 × 702,513.55
  4. Step 4: Simplify right side
    782,969.90x = 825,132,777,474.53
  5. Step 5: Solve for x
    x = 825,132,777,474.53/782,969.90
  6. Step 6: Final answer
    x = 1,053,849.93

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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.