Home / 612,740.52-844,988.22-408,799.73

Finding the Fourth Proportional to 612,740.52, 844,988.22 and 408,799.73

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Solution

The fourth proportional to 612,740.52, 844,988.22 and 408,799.73 is: 563,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,740.52 : 844,988.22 = 408,799.73 : x
  2. Step 2: Convert to fraction form
    612,740.52/844,988.22 = 408,799.73/x
  3. Step 3: Cross multiply
    612,740.52x = 844,988.22 × 408,799.73
  4. Step 4: Simplify right side
    612,740.52x = 345,430,958,301.65
  5. Step 5: Solve for x
    x = 345,430,958,301.65/612,740.52
  6. Step 6: Final answer
    x = 563,747.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.