Home / 782,007.01-1,079,186.09-442,475.26

Finding the Fourth Proportional to 782,007.01, 1,079,186.09 and 442,475.26

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Solution

The fourth proportional to 782,007.01, 1,079,186.09 and 442,475.26 is: 610,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,007.01 : 1,079,186.09 = 442,475.26 : x
  2. Step 2: Convert to fraction form
    782,007.01/1,079,186.09 = 442,475.26/x
  3. Step 3: Cross multiply
    782,007.01x = 1,079,186.09 × 442,475.26
  4. Step 4: Simplify right side
    782,007.01x = 477,513,140,850.79
  5. Step 5: Solve for x
    x = 477,513,140,850.79/782,007.01
  6. Step 6: Final answer
    x = 610,625.14

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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.