Home / 690,262.57-1,035,464.57-264,156.78

Finding the Fourth Proportional to 690,262.57, 1,035,464.57 and 264,156.78

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Solution

The fourth proportional to 690,262.57, 1,035,464.57 and 264,156.78 is: 396,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,262.57 : 1,035,464.57 = 264,156.78 : x
  2. Step 2: Convert to fraction form
    690,262.57/1,035,464.57 = 264,156.78/x
  3. Step 3: Cross multiply
    690,262.57x = 1,035,464.57 × 264,156.78
  4. Step 4: Simplify right side
    690,262.57x = 273,524,983,982.03
  5. Step 5: Solve for x
    x = 273,524,983,982.03/690,262.57
  6. Step 6: Final answer
    x = 396,262.23

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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.