Home / 692,761.20-1,039,141.80-468,229.20

Finding the Fourth Proportional to 692,761.20, 1,039,141.80 and 468,229.20

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Solution

The fourth proportional to 692,761.20, 1,039,141.80 and 468,229.20 is: 702,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,761.20 : 1,039,141.80 = 468,229.20 : x
  2. Step 2: Convert to fraction form
    692,761.20/1,039,141.80 = 468,229.20/x
  3. Step 3: Cross multiply
    692,761.20x = 1,039,141.80 × 468,229.20
  4. Step 4: Simplify right side
    692,761.20x = 486,556,533,700.56
  5. Step 5: Solve for x
    x = 486,556,533,700.56/692,761.20
  6. Step 6: Final answer
    x = 702,343.80

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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.