Home / 690,918.78-1,036,679.34-241,961.70

Finding the Fourth Proportional to 690,918.78, 1,036,679.34 and 241,961.70

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Solution

The fourth proportional to 690,918.78, 1,036,679.34 and 241,961.70 is: 363,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,918.78 : 1,036,679.34 = 241,961.70 : x
  2. Step 2: Convert to fraction form
    690,918.78/1,036,679.34 = 241,961.70/x
  3. Step 3: Cross multiply
    690,918.78x = 1,036,679.34 × 241,961.70
  4. Step 4: Simplify right side
    690,918.78x = 250,836,695,461.28
  5. Step 5: Solve for x
    x = 250,836,695,461.28/690,918.78
  6. Step 6: Final answer
    x = 363,048.02

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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.