Home / 452,458.38-677,654.01-215,967.54

Finding the Fourth Proportional to 452,458.38, 677,654.01 and 215,967.54

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Solution

The fourth proportional to 452,458.38, 677,654.01 and 215,967.54 is: 323,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,458.38 : 677,654.01 = 215,967.54 : x
  2. Step 2: Convert to fraction form
    452,458.38/677,654.01 = 215,967.54/x
  3. Step 3: Cross multiply
    452,458.38x = 677,654.01 × 215,967.54
  4. Step 4: Simplify right side
    452,458.38x = 146,351,269,510.84
  5. Step 5: Solve for x
    x = 146,351,269,510.84/452,458.38
  6. Step 6: Final answer
    x = 323,457.97

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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.