Home / 782,101.52-1,079,300.08-424,405.52

Finding the Fourth Proportional to 782,101.52, 1,079,300.08 and 424,405.52

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Solution

The fourth proportional to 782,101.52, 1,079,300.08 and 424,405.52 is: 585,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,101.52 : 1,079,300.08 = 424,405.52 : x
  2. Step 2: Convert to fraction form
    782,101.52/1,079,300.08 = 424,405.52/x
  3. Step 3: Cross multiply
    782,101.52x = 1,079,300.08 × 424,405.52
  4. Step 4: Simplify right side
    782,101.52x = 458,060,911,688.44
  5. Step 5: Solve for x
    x = 458,060,911,688.44/782,101.52
  6. Step 6: Final answer
    x = 585,679.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.