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Finding the Fourth Proportional to 581,107.68, 800,074.80 and 495,882.72

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Solution

The fourth proportional to 581,107.68, 800,074.80 and 495,882.72 is: 682,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,107.68 : 800,074.80 = 495,882.72 : x
  2. Step 2: Convert to fraction form
    581,107.68/800,074.80 = 495,882.72/x
  3. Step 3: Cross multiply
    581,107.68x = 800,074.80 × 495,882.72
  4. Step 4: Simplify right side
    581,107.68x = 396,743,268,027.46
  5. Step 5: Solve for x
    x = 396,743,268,027.46/581,107.68
  6. Step 6: Final answer
    x = 682,736.23

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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.