Home / 782,868.25-1,080,384.78-746,995.98

Finding the Fourth Proportional to 782,868.25, 1,080,384.78 and 746,995.98

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Solution

The fourth proportional to 782,868.25, 1,080,384.78 and 746,995.98 is: 1,030,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,868.25 : 1,080,384.78 = 746,995.98 : x
  2. Step 2: Convert to fraction form
    782,868.25/1,080,384.78 = 746,995.98/x
  3. Step 3: Cross multiply
    782,868.25x = 1,080,384.78 × 746,995.98
  4. Step 4: Simplify right side
    782,868.25x = 807,043,087,513.19
  5. Step 5: Solve for x
    x = 807,043,087,513.19/782,868.25
  6. Step 6: Final answer
    x = 1,030,879.83

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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.