Home / 782,930.88-1,080,393.46-460,578.69

Finding the Fourth Proportional to 782,930.88, 1,080,393.46 and 460,578.69

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Solution

The fourth proportional to 782,930.88, 1,080,393.46 and 460,578.69 is: 635,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,930.88 : 1,080,393.46 = 460,578.69 : x
  2. Step 2: Convert to fraction form
    782,930.88/1,080,393.46 = 460,578.69/x
  3. Step 3: Cross multiply
    782,930.88x = 1,080,393.46 × 460,578.69
  4. Step 4: Simplify right side
    782,930.88x = 497,606,203,339.92
  5. Step 5: Solve for x
    x = 497,606,203,339.92/782,930.88
  6. Step 6: Final answer
    x = 635,568.50

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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.