Home / 690,202.76-1,035,148.62-269,261.96

Finding the Fourth Proportional to 690,202.76, 1,035,148.62 and 269,261.96

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Solution

The fourth proportional to 690,202.76, 1,035,148.62 and 269,261.96 is: 403,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,202.76 : 1,035,148.62 = 269,261.96 : x
  2. Step 2: Convert to fraction form
    690,202.76/1,035,148.62 = 269,261.96/x
  3. Step 3: Cross multiply
    690,202.76x = 1,035,148.62 × 269,261.96
  4. Step 4: Simplify right side
    690,202.76x = 278,726,146,312.50
  5. Step 5: Solve for x
    x = 278,726,146,312.50/690,202.76
  6. Step 6: Final answer
    x = 403,832.27

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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.