Home / 925,718.28-1,388,487.51-628,111.32

Finding the Fourth Proportional to 925,718.28, 1,388,487.51 and 628,111.32

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Solution

The fourth proportional to 925,718.28, 1,388,487.51 and 628,111.32 is: 942,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,718.28 : 1,388,487.51 = 628,111.32 : x
  2. Step 2: Convert to fraction form
    925,718.28/1,388,487.51 = 628,111.32/x
  3. Step 3: Cross multiply
    925,718.28x = 1,388,487.51 × 628,111.32
  4. Step 4: Simplify right side
    925,718.28x = 872,124,722,709.61
  5. Step 5: Solve for x
    x = 872,124,722,709.61/925,718.28
  6. Step 6: Final answer
    x = 942,105.97

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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.