Home / 908,825.28-1,254,251.20-500,999.68

Finding the Fourth Proportional to 908,825.28, 1,254,251.20 and 500,999.68

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Solution

The fourth proportional to 908,825.28, 1,254,251.20 and 500,999.68 is: 691,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,825.28 : 1,254,251.20 = 500,999.68 : x
  2. Step 2: Convert to fraction form
    908,825.28/1,254,251.20 = 500,999.68/x
  3. Step 3: Cross multiply
    908,825.28x = 1,254,251.20 × 500,999.68
  4. Step 4: Simplify right side
    908,825.28x = 628,379,449,839.62
  5. Step 5: Solve for x
    x = 628,379,449,839.62/908,825.28
  6. Step 6: Final answer
    x = 691,419.42

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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.