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Finding the Fourth Proportional to 675,167.73, 931,846.04 and 388,853.58

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Solution

The fourth proportional to 675,167.73, 931,846.04 and 388,853.58 is: 536,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,167.73 : 931,846.04 = 388,853.58 : x
  2. Step 2: Convert to fraction form
    675,167.73/931,846.04 = 388,853.58/x
  3. Step 3: Cross multiply
    675,167.73x = 931,846.04 × 388,853.58
  4. Step 4: Simplify right side
    675,167.73x = 362,351,668,662.82
  5. Step 5: Solve for x
    x = 362,351,668,662.82/675,167.73
  6. Step 6: Final answer
    x = 536,683.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.