Home / 997,999.62-1,377,252.62-568,281.45

Finding the Fourth Proportional to 997,999.62, 1,377,252.62 and 568,281.45

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Solution

The fourth proportional to 997,999.62, 1,377,252.62 and 568,281.45 is: 784,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,999.62 : 1,377,252.62 = 568,281.45 : x
  2. Step 2: Convert to fraction form
    997,999.62/1,377,252.62 = 568,281.45/x
  3. Step 3: Cross multiply
    997,999.62x = 1,377,252.62 × 568,281.45
  4. Step 4: Simplify right side
    997,999.62x = 782,667,115,909.90
  5. Step 5: Solve for x
    x = 782,667,115,909.90/997,999.62
  6. Step 6: Final answer
    x = 784,235.89

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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.