Home / 698,168.20-1,046,561.10-342,891.40

Finding the Fourth Proportional to 698,168.20, 1,046,561.10 and 342,891.40

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Solution

The fourth proportional to 698,168.20, 1,046,561.10 and 342,891.40 is: 513,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,168.20 : 1,046,561.10 = 342,891.40 : x
  2. Step 2: Convert to fraction form
    698,168.20/1,046,561.10 = 342,891.40/x
  3. Step 3: Cross multiply
    698,168.20x = 1,046,561.10 × 342,891.40
  4. Step 4: Simplify right side
    698,168.20x = 358,856,800,764.54
  5. Step 5: Solve for x
    x = 358,856,800,764.54/698,168.20
  6. Step 6: Final answer
    x = 513,997.63

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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.