Home / 763,958.72-1,145,938.28-284,123.82

Finding the Fourth Proportional to 763,958.72, 1,145,938.28 and 284,123.82

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Solution

The fourth proportional to 763,958.72, 1,145,938.28 and 284,123.82 is: 426,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,958.72 : 1,145,938.28 = 284,123.82 : x
  2. Step 2: Convert to fraction form
    763,958.72/1,145,938.28 = 284,123.82/x
  3. Step 3: Cross multiply
    763,958.72x = 1,145,938.28 × 284,123.82
  4. Step 4: Simplify right side
    763,958.72x = 325,588,360,177.21
  5. Step 5: Solve for x
    x = 325,588,360,177.21/763,958.72
  6. Step 6: Final answer
    x = 426,185.81

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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.