Home / 997,678.85-1,376,796.75-538,793.37

Finding the Fourth Proportional to 997,678.85, 1,376,796.75 and 538,793.37

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Solution

The fourth proportional to 997,678.85, 1,376,796.75 and 538,793.37 is: 743,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,678.85 : 1,376,796.75 = 538,793.37 : x
  2. Step 2: Convert to fraction form
    997,678.85/1,376,796.75 = 538,793.37/x
  3. Step 3: Cross multiply
    997,678.85x = 1,376,796.75 × 538,793.37
  4. Step 4: Simplify right side
    997,678.85x = 741,808,960,737.55
  5. Step 5: Solve for x
    x = 741,808,960,737.55/997,678.85
  6. Step 6: Final answer
    x = 743,534.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.