Home / 698,578.80-1,047,868.20-225,279.60

Finding the Fourth Proportional to 698,578.80, 1,047,868.20 and 225,279.60

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Solution

The fourth proportional to 698,578.80, 1,047,868.20 and 225,279.60 is: 337,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,578.80 : 1,047,868.20 = 225,279.60 : x
  2. Step 2: Convert to fraction form
    698,578.80/1,047,868.20 = 225,279.60/x
  3. Step 3: Cross multiply
    698,578.80x = 1,047,868.20 × 225,279.60
  4. Step 4: Simplify right side
    698,578.80x = 236,063,328,948.72
  5. Step 5: Solve for x
    x = 236,063,328,948.72/698,578.80
  6. Step 6: Final answer
    x = 337,919.40

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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.