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Finding the Fourth Proportional to 452,641.29, 678,957.62 and 275,197.29

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Solution

The fourth proportional to 452,641.29, 678,957.62 and 275,197.29 is: 412,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,641.29 : 678,957.62 = 275,197.29 : x
  2. Step 2: Convert to fraction form
    452,641.29/678,957.62 = 275,197.29/x
  3. Step 3: Cross multiply
    452,641.29x = 678,957.62 × 275,197.29
  4. Step 4: Simplify right side
    452,641.29x = 186,847,298,058.25
  5. Step 5: Solve for x
    x = 186,847,298,058.25/452,641.29
  6. Step 6: Final answer
    x = 412,793.31

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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.