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Finding the Fourth Proportional to 675,233.71, 931,719.04 and 388,698.44

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Solution

The fourth proportional to 675,233.71, 931,719.04 and 388,698.44 is: 536,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,233.71 : 931,719.04 = 388,698.44 : x
  2. Step 2: Convert to fraction form
    675,233.71/931,719.04 = 388,698.44/x
  3. Step 3: Cross multiply
    675,233.71x = 931,719.04 × 388,698.44
  4. Step 4: Simplify right side
    675,233.71x = 362,157,731,735.96
  5. Step 5: Solve for x
    x = 362,157,731,735.96/675,233.71
  6. Step 6: Final answer
    x = 536,344.27

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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.