Home / 892,154.80-1,337,789.40-323,513.20

Finding the Fourth Proportional to 892,154.80, 1,337,789.40 and 323,513.20

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Solution

The fourth proportional to 892,154.80, 1,337,789.40 and 323,513.20 is: 485,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,154.80 : 1,337,789.40 = 323,513.20 : x
  2. Step 2: Convert to fraction form
    892,154.80/1,337,789.40 = 323,513.20/x
  3. Step 3: Cross multiply
    892,154.80x = 1,337,789.40 × 323,513.20
  4. Step 4: Simplify right side
    892,154.80x = 432,792,529,720.08
  5. Step 5: Solve for x
    x = 432,792,529,720.08/892,154.80
  6. Step 6: Final answer
    x = 485,109.23

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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.