Home / 838,125.51-1,255,187.16-482,391.74

Finding the Fourth Proportional to 838,125.51, 1,255,187.16 and 482,391.74

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Solution

The fourth proportional to 838,125.51, 1,255,187.16 and 482,391.74 is: 722,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,125.51 : 1,255,187.16 = 482,391.74 : x
  2. Step 2: Convert to fraction form
    838,125.51/1,255,187.16 = 482,391.74/x
  3. Step 3: Cross multiply
    838,125.51x = 1,255,187.16 × 482,391.74
  4. Step 4: Simplify right side
    838,125.51x = 605,491,911,862.12
  5. Step 5: Solve for x
    x = 605,491,911,862.12/838,125.51
  6. Step 6: Final answer
    x = 722,435.85

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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.