Home / 997,999.37-1,377,252.27-568,281.21

Finding the Fourth Proportional to 997,999.37, 1,377,252.27 and 568,281.21

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Solution

The fourth proportional to 997,999.37, 1,377,252.27 and 568,281.21 is: 784,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,999.37 : 1,377,252.27 = 568,281.21 : x
  2. Step 2: Convert to fraction form
    997,999.37/1,377,252.27 = 568,281.21/x
  3. Step 3: Cross multiply
    997,999.37x = 1,377,252.27 × 568,281.21
  4. Step 4: Simplify right side
    997,999.37x = 782,666,586,470.85
  5. Step 5: Solve for x
    x = 782,666,586,470.85/997,999.37
  6. Step 6: Final answer
    x = 784,235.56

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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.