Home / 949,982.88-1,310,947.02-520,251.96

Finding the Fourth Proportional to 949,982.88, 1,310,947.02 and 520,251.96

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Solution

The fourth proportional to 949,982.88, 1,310,947.02 and 520,251.96 is: 717,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,982.88 : 1,310,947.02 = 520,251.96 : x
  2. Step 2: Convert to fraction form
    949,982.88/1,310,947.02 = 520,251.96/x
  3. Step 3: Cross multiply
    949,982.88x = 1,310,947.02 × 520,251.96
  4. Step 4: Simplify right side
    949,982.88x = 682,022,756,611.16
  5. Step 5: Solve for x
    x = 682,022,756,611.16/949,982.88
  6. Step 6: Final answer
    x = 717,931.63

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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.