Home / 997,012.80-1,375,825.92-567,284.16

Finding the Fourth Proportional to 997,012.80, 1,375,825.92 and 567,284.16

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Solution

The fourth proportional to 997,012.80, 1,375,825.92 and 567,284.16 is: 782,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,012.80 : 1,375,825.92 = 567,284.16 : x
  2. Step 2: Convert to fraction form
    997,012.80/1,375,825.92 = 567,284.16/x
  3. Step 3: Cross multiply
    997,012.80x = 1,375,825.92 × 567,284.16
  4. Step 4: Simplify right side
    997,012.80x = 780,484,251,333.43
  5. Step 5: Solve for x
    x = 780,484,251,333.43/997,012.80
  6. Step 6: Final answer
    x = 782,822.70

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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.