Home / 785,180.64-1,083,522-479,768.28

Finding the Fourth Proportional to 785,180.64, 1,083,522 and 479,768.28

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Solution

The fourth proportional to 785,180.64, 1,083,522 and 479,768.28 is: 662,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,180.64 : 1,083,522 = 479,768.28 : x
  2. Step 2: Convert to fraction form
    785,180.64/1,083,522 = 479,768.28/x
  3. Step 3: Cross multiply
    785,180.64x = 1,083,522 × 479,768.28
  4. Step 4: Simplify right side
    785,180.64x = 519,839,486,282.16
  5. Step 5: Solve for x
    x = 519,839,486,282.16/785,180.64
  6. Step 6: Final answer
    x = 662,063.56

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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.