Home / 536,102.28-739,880.19-306,680.72

Finding the Fourth Proportional to 536,102.28, 739,880.19 and 306,680.72

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Solution

The fourth proportional to 536,102.28, 739,880.19 and 306,680.72 is: 423,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,102.28 : 739,880.19 = 306,680.72 : x
  2. Step 2: Convert to fraction form
    536,102.28/739,880.19 = 306,680.72/x
  3. Step 3: Cross multiply
    536,102.28x = 739,880.19 × 306,680.72
  4. Step 4: Simplify right side
    536,102.28x = 226,906,985,683.54
  5. Step 5: Solve for x
    x = 226,906,985,683.54/536,102.28
  6. Step 6: Final answer
    x = 423,253.16

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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.