Home / 690,666.82-1,036,072.22-264,201.82

Finding the Fourth Proportional to 690,666.82, 1,036,072.22 and 264,201.82

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Solution

The fourth proportional to 690,666.82, 1,036,072.22 and 264,201.82 is: 396,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,666.82 : 1,036,072.22 = 264,201.82 : x
  2. Step 2: Convert to fraction form
    690,666.82/1,036,072.22 = 264,201.82/x
  3. Step 3: Cross multiply
    690,666.82x = 1,036,072.22 × 264,201.82
  4. Step 4: Simplify right side
    690,666.82x = 273,732,162,264.25
  5. Step 5: Solve for x
    x = 273,732,162,264.25/690,666.82
  6. Step 6: Final answer
    x = 396,330.26

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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.