Home / 746,067.84-1,028,343.84-527,995.20

Finding the Fourth Proportional to 746,067.84, 1,028,343.84 and 527,995.20

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Solution

The fourth proportional to 746,067.84, 1,028,343.84 and 527,995.20 is: 727,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,067.84 : 1,028,343.84 = 527,995.20 : x
  2. Step 2: Convert to fraction form
    746,067.84/1,028,343.84 = 527,995.20/x
  3. Step 3: Cross multiply
    746,067.84x = 1,028,343.84 × 527,995.20
  4. Step 4: Simplify right side
    746,067.84x = 542,960,611,469.57
  5. Step 5: Solve for x
    x = 542,960,611,469.57/746,067.84
  6. Step 6: Final answer
    x = 727,763.06

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Double scale
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Similar ratio
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1.5x scale

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.