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Finding the Fourth Proportional to 536,302.62, 739,491.10 and 342,455.44

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Solution

The fourth proportional to 536,302.62, 739,491.10 and 342,455.44 is: 472,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,302.62 : 739,491.10 = 342,455.44 : x
  2. Step 2: Convert to fraction form
    536,302.62/739,491.10 = 342,455.44/x
  3. Step 3: Cross multiply
    536,302.62x = 739,491.10 × 342,455.44
  4. Step 4: Simplify right side
    536,302.62x = 253,242,750,026.58
  5. Step 5: Solve for x
    x = 253,242,750,026.58/536,302.62
  6. Step 6: Final answer
    x = 472,201.22

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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.