Home / 690,705.13-1,036,223.60-264,233.98

Finding the Fourth Proportional to 690,705.13, 1,036,223.60 and 264,233.98

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Solution

The fourth proportional to 690,705.13, 1,036,223.60 and 264,233.98 is: 396,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,705.13 : 1,036,223.60 = 264,233.98 : x
  2. Step 2: Convert to fraction form
    690,705.13/1,036,223.60 = 264,233.98/x
  3. Step 3: Cross multiply
    690,705.13x = 1,036,223.60 × 264,233.98
  4. Step 4: Simplify right side
    690,705.13x = 273,805,485,997.93
  5. Step 5: Solve for x
    x = 273,805,485,997.93/690,705.13
  6. Step 6: Final answer
    x = 396,414.44

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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.