Home / 727,489.20-1,090,222.32-632,524.80

Finding the Fourth Proportional to 727,489.20, 1,090,222.32 and 632,524.80

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Solution

The fourth proportional to 727,489.20, 1,090,222.32 and 632,524.80 is: 947,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,489.20 : 1,090,222.32 = 632,524.80 : x
  2. Step 2: Convert to fraction form
    727,489.20/1,090,222.32 = 632,524.80/x
  3. Step 3: Cross multiply
    727,489.20x = 1,090,222.32 × 632,524.80
  4. Step 4: Simplify right side
    727,489.20x = 689,592,654,913.54
  5. Step 5: Solve for x
    x = 689,592,654,913.54/727,489.20
  6. Step 6: Final answer
    x = 947,907.76

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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.