Home / 678,281.52-1,016,648.31-273,214.34

Finding the Fourth Proportional to 678,281.52, 1,016,648.31 and 273,214.34

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Solution

The fourth proportional to 678,281.52, 1,016,648.31 and 273,214.34 is: 409,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,281.52 : 1,016,648.31 = 273,214.34 : x
  2. Step 2: Convert to fraction form
    678,281.52/1,016,648.31 = 273,214.34/x
  3. Step 3: Cross multiply
    678,281.52x = 1,016,648.31 × 273,214.34
  4. Step 4: Simplify right side
    678,281.52x = 277,762,897,028.77
  5. Step 5: Solve for x
    x = 277,762,897,028.77/678,281.52
  6. Step 6: Final answer
    x = 409,509.75

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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.