Home / 752,951.08-1,039,074.33-413,441.20

Finding the Fourth Proportional to 752,951.08, 1,039,074.33 and 413,441.20

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Solution

The fourth proportional to 752,951.08, 1,039,074.33 and 413,441.20 is: 570,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,951.08 : 1,039,074.33 = 413,441.20 : x
  2. Step 2: Convert to fraction form
    752,951.08/1,039,074.33 = 413,441.20/x
  3. Step 3: Cross multiply
    752,951.08x = 1,039,074.33 × 413,441.20
  4. Step 4: Simplify right side
    752,951.08x = 429,596,137,884.40
  5. Step 5: Solve for x
    x = 429,596,137,884.40/752,951.08
  6. Step 6: Final answer
    x = 570,549.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.