Home / 782,180.94-1,079,425.02-510,422.70

Finding the Fourth Proportional to 782,180.94, 1,079,425.02 and 510,422.70

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Solution

The fourth proportional to 782,180.94, 1,079,425.02 and 510,422.70 is: 704,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,180.94 : 1,079,425.02 = 510,422.70 : x
  2. Step 2: Convert to fraction form
    782,180.94/1,079,425.02 = 510,422.70/x
  3. Step 3: Cross multiply
    782,180.94x = 1,079,425.02 × 510,422.70
  4. Step 4: Simplify right side
    782,180.94x = 550,963,033,155.95
  5. Step 5: Solve for x
    x = 550,963,033,155.95/782,180.94
  6. Step 6: Final answer
    x = 704,393.33

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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.