Home / 677,130.19-1,016,027.75-272,306.04

Finding the Fourth Proportional to 677,130.19, 1,016,027.75 and 272,306.04

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Solution

The fourth proportional to 677,130.19, 1,016,027.75 and 272,306.04 is: 408,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,130.19 : 1,016,027.75 = 272,306.04 : x
  2. Step 2: Convert to fraction form
    677,130.19/1,016,027.75 = 272,306.04/x
  3. Step 3: Cross multiply
    677,130.19x = 1,016,027.75 × 272,306.04
  4. Step 4: Simplify right side
    677,130.19x = 276,670,493,132.61
  5. Step 5: Solve for x
    x = 276,670,493,132.61/677,130.19
  6. Step 6: Final answer
    x = 408,592.76

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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.