Home / 782,963.13-1,080,471.32-456,255.71

Finding the Fourth Proportional to 782,963.13, 1,080,471.32 and 456,255.71

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Solution

The fourth proportional to 782,963.13, 1,080,471.32 and 456,255.71 is: 629,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,963.13 : 1,080,471.32 = 456,255.71 : x
  2. Step 2: Convert to fraction form
    782,963.13/1,080,471.32 = 456,255.71/x
  3. Step 3: Cross multiply
    782,963.13x = 1,080,471.32 × 456,255.71
  4. Step 4: Simplify right side
    782,963.13x = 492,971,207,320.33
  5. Step 5: Solve for x
    x = 492,971,207,320.33/782,963.13
  6. Step 6: Final answer
    x = 629,622.50

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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.