Home / 893,631.28-1,340,025.76-324,611.24

Finding the Fourth Proportional to 893,631.28, 1,340,025.76 and 324,611.24

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Solution

The fourth proportional to 893,631.28, 1,340,025.76 and 324,611.24 is: 486,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,631.28 : 1,340,025.76 = 324,611.24 : x
  2. Step 2: Convert to fraction form
    893,631.28/1,340,025.76 = 324,611.24/x
  3. Step 3: Cross multiply
    893,631.28x = 1,340,025.76 × 324,611.24
  4. Step 4: Simplify right side
    893,631.28x = 434,987,423,585.54
  5. Step 5: Solve for x
    x = 434,987,423,585.54/893,631.28
  6. Step 6: Final answer
    x = 486,763.87

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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.