Home / 776,381.13-1,164,758.57-327,230.46

Finding the Fourth Proportional to 776,381.13, 1,164,758.57 and 327,230.46

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Solution

The fourth proportional to 776,381.13, 1,164,758.57 and 327,230.46 is: 490,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,381.13 : 1,164,758.57 = 327,230.46 : x
  2. Step 2: Convert to fraction form
    776,381.13/1,164,758.57 = 327,230.46/x
  3. Step 3: Cross multiply
    776,381.13x = 1,164,758.57 × 327,230.46
  4. Step 4: Simplify right side
    776,381.13x = 381,144,481,013.89
  5. Step 5: Solve for x
    x = 381,144,481,013.89/776,381.13
  6. Step 6: Final answer
    x = 490,924.45

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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.