Home / 838,028.88-1,256,265.72-382,277.52

Finding the Fourth Proportional to 838,028.88, 1,256,265.72 and 382,277.52

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Solution

The fourth proportional to 838,028.88, 1,256,265.72 and 382,277.52 is: 573,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,028.88 : 1,256,265.72 = 382,277.52 : x
  2. Step 2: Convert to fraction form
    838,028.88/1,256,265.72 = 382,277.52/x
  3. Step 3: Cross multiply
    838,028.88x = 1,256,265.72 × 382,277.52
  4. Step 4: Simplify right side
    838,028.88x = 480,242,143,902.61
  5. Step 5: Solve for x
    x = 480,242,143,902.61/838,028.88
  6. Step 6: Final answer
    x = 573,061.57

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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.