Home / 528,047.20-791,876.40-173,072.80

Finding the Fourth Proportional to 528,047.20, 791,876.40 and 173,072.80

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Solution

The fourth proportional to 528,047.20, 791,876.40 and 173,072.80 is: 259,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,047.20 : 791,876.40 = 173,072.80 : x
  2. Step 2: Convert to fraction form
    528,047.20/791,876.40 = 173,072.80/x
  3. Step 3: Cross multiply
    528,047.20x = 791,876.40 × 173,072.80
  4. Step 4: Simplify right side
    528,047.20x = 137,052,265,801.92
  5. Step 5: Solve for x
    x = 137,052,265,801.92/528,047.20
  6. Step 6: Final answer
    x = 259,545.48

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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.