Home / 692,564.27-1,039,175.17-479,659.82

Finding the Fourth Proportional to 692,564.27, 1,039,175.17 and 479,659.82

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Solution

The fourth proportional to 692,564.27, 1,039,175.17 and 479,659.82 is: 719,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,564.27 : 1,039,175.17 = 479,659.82 : x
  2. Step 2: Convert to fraction form
    692,564.27/1,039,175.17 = 479,659.82/x
  3. Step 3: Cross multiply
    692,564.27x = 1,039,175.17 × 479,659.82
  4. Step 4: Simplify right side
    692,564.27x = 498,450,576,389.46
  5. Step 5: Solve for x
    x = 498,450,576,389.46/692,564.27
  6. Step 6: Final answer
    x = 719,717.43

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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.