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Finding the Fourth Proportional to 908,052, 1,253,120.48 and 500,163.04

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Solution

The fourth proportional to 908,052, 1,253,120.48 and 500,163.04 is: 690,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,052 : 1,253,120.48 = 500,163.04 : x
  2. Step 2: Convert to fraction form
    908,052/1,253,120.48 = 500,163.04/x
  3. Step 3: Cross multiply
    908,052x = 1,253,120.48 × 500,163.04
  4. Step 4: Simplify right side
    908,052x = 626,764,548,763.06
  5. Step 5: Solve for x
    x = 626,764,548,763.06/908,052
  6. Step 6: Final answer
    x = 690,229.80

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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.