Home / 891,815.92-1,337,720.20-323,063.84

Finding the Fourth Proportional to 891,815.92, 1,337,720.20 and 323,063.84

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Solution

The fourth proportional to 891,815.92, 1,337,720.20 and 323,063.84 is: 484,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,815.92 : 1,337,720.20 = 323,063.84 : x
  2. Step 2: Convert to fraction form
    891,815.92/1,337,720.20 = 323,063.84/x
  3. Step 3: Cross multiply
    891,815.92x = 1,337,720.20 × 323,063.84
  4. Step 4: Simplify right side
    891,815.92x = 432,169,024,657.57
  5. Step 5: Solve for x
    x = 432,169,024,657.57/891,815.92
  6. Step 6: Final answer
    x = 484,594.43

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1.5x scale

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.