Home / 819,510.11-1,229,445.74-250,895.51

Finding the Fourth Proportional to 819,510.11, 1,229,445.74 and 250,895.51

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Solution

The fourth proportional to 819,510.11, 1,229,445.74 and 250,895.51 is: 376,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,510.11 : 1,229,445.74 = 250,895.51 : x
  2. Step 2: Convert to fraction form
    819,510.11/1,229,445.74 = 250,895.51/x
  3. Step 3: Cross multiply
    819,510.11x = 1,229,445.74 × 250,895.51
  4. Step 4: Simplify right side
    819,510.11x = 308,462,414,700.15
  5. Step 5: Solve for x
    x = 308,462,414,700.15/819,510.11
  6. Step 6: Final answer
    x = 376,398.55

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1.5x scale

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.