Home / 746,797.32-1,119,191.58-409,331.88

Finding the Fourth Proportional to 746,797.32, 1,119,191.58 and 409,331.88

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Solution

The fourth proportional to 746,797.32, 1,119,191.58 and 409,331.88 is: 613,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,797.32 : 1,119,191.58 = 409,331.88 : x
  2. Step 2: Convert to fraction form
    746,797.32/1,119,191.58 = 409,331.88/x
  3. Step 3: Cross multiply
    746,797.32x = 1,119,191.58 × 409,331.88
  4. Step 4: Simplify right side
    746,797.32x = 458,120,793,521.57
  5. Step 5: Solve for x
    x = 458,120,793,521.57/746,797.32
  6. Step 6: Final answer
    x = 613,447.29

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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.