Home / 674,838.90-1,012,152.60-225,556.20

Finding the Fourth Proportional to 674,838.90, 1,012,152.60 and 225,556.20

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Solution

The fourth proportional to 674,838.90, 1,012,152.60 and 225,556.20 is: 338,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,838.90 : 1,012,152.60 = 225,556.20 : x
  2. Step 2: Convert to fraction form
    674,838.90/1,012,152.60 = 225,556.20/x
  3. Step 3: Cross multiply
    674,838.90x = 1,012,152.60 × 225,556.20
  4. Step 4: Simplify right side
    674,838.90x = 228,297,294,276.12
  5. Step 5: Solve for x
    x = 228,297,294,276.12/674,838.90
  6. Step 6: Final answer
    x = 338,298.95

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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.