Home / 632,458.20-949,205.70-611,722.20

Finding the Fourth Proportional to 632,458.20, 949,205.70 and 611,722.20

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Solution

The fourth proportional to 632,458.20, 949,205.70 and 611,722.20 is: 918,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,458.20 : 949,205.70 = 611,722.20 : x
  2. Step 2: Convert to fraction form
    632,458.20/949,205.70 = 611,722.20/x
  3. Step 3: Cross multiply
    632,458.20x = 949,205.70 × 611,722.20
  4. Step 4: Simplify right side
    632,458.20x = 580,650,199,056.54
  5. Step 5: Solve for x
    x = 580,650,199,056.54/632,458.20
  6. Step 6: Final answer
    x = 918,084.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.