Home / 987,257-1,362,414.66-534,548

Finding the Fourth Proportional to 987,257, 1,362,414.66 and 534,548

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Solution

The fourth proportional to 987,257, 1,362,414.66 and 534,548 is: 737,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,257 : 1,362,414.66 = 534,548 : x
  2. Step 2: Convert to fraction form
    987,257/1,362,414.66 = 534,548/x
  3. Step 3: Cross multiply
    987,257x = 1,362,414.66 × 534,548
  4. Step 4: Simplify right side
    987,257x = 728,276,031,673.68
  5. Step 5: Solve for x
    x = 728,276,031,673.68/987,257
  6. Step 6: Final answer
    x = 737,676.24

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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.