Home / 690,352.80-1,034,346.60-548,635.20

Finding the Fourth Proportional to 690,352.80, 1,034,346.60 and 548,635.20

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Solution

The fourth proportional to 690,352.80, 1,034,346.60 and 548,635.20 is: 822,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,352.80 : 1,034,346.60 = 548,635.20 : x
  2. Step 2: Convert to fraction form
    690,352.80/1,034,346.60 = 548,635.20/x
  3. Step 3: Cross multiply
    690,352.80x = 1,034,346.60 × 548,635.20
  4. Step 4: Simplify right side
    690,352.80x = 567,478,953,760.32
  5. Step 5: Solve for x
    x = 567,478,953,760.32/690,352.80
  6. Step 6: Final answer
    x = 822,012.97

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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.