Home / 690,712.46-1,036,234.57-264,241.30

Finding the Fourth Proportional to 690,712.46, 1,036,234.57 and 264,241.30

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Solution

The fourth proportional to 690,712.46, 1,036,234.57 and 264,241.30 is: 396,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,712.46 : 1,036,234.57 = 264,241.30 : x
  2. Step 2: Convert to fraction form
    690,712.46/1,036,234.57 = 264,241.30/x
  3. Step 3: Cross multiply
    690,712.46x = 1,036,234.57 × 264,241.30
  4. Step 4: Simplify right side
    690,712.46x = 273,815,969,881.74
  5. Step 5: Solve for x
    x = 273,815,969,881.74/690,712.46
  6. Step 6: Final answer
    x = 396,425.41

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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.