Home / 819,816.16-1,229,761.92-251,156.48

Finding the Fourth Proportional to 819,816.16, 1,229,761.92 and 251,156.48

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Solution

The fourth proportional to 819,816.16, 1,229,761.92 and 251,156.48 is: 376,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,816.16 : 1,229,761.92 = 251,156.48 : x
  2. Step 2: Convert to fraction form
    819,816.16/1,229,761.92 = 251,156.48/x
  3. Step 3: Cross multiply
    819,816.16x = 1,229,761.92 × 251,156.48
  4. Step 4: Simplify right side
    819,816.16x = 308,862,675,065.24
  5. Step 5: Solve for x
    x = 308,862,675,065.24/819,816.16
  6. Step 6: Final answer
    x = 376,746.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.