Home / 578,704.40-867,365.40-298,077.20

Finding the Fourth Proportional to 578,704.40, 867,365.40 and 298,077.20

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Solution

The fourth proportional to 578,704.40, 867,365.40 and 298,077.20 is: 446,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,704.40 : 867,365.40 = 298,077.20 : x
  2. Step 2: Convert to fraction form
    578,704.40/867,365.40 = 298,077.20/x
  3. Step 3: Cross multiply
    578,704.40x = 867,365.40 × 298,077.20
  4. Step 4: Simplify right side
    578,704.40x = 258,541,849,808.88
  5. Step 5: Solve for x
    x = 258,541,849,808.88/578,704.40
  6. Step 6: Final answer
    x = 446,759.78

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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.