Home / 774,523.46-1,162,239.90-325,209.78

Finding the Fourth Proportional to 774,523.46, 1,162,239.90 and 325,209.78

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Solution

The fourth proportional to 774,523.46, 1,162,239.90 and 325,209.78 is: 488,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,523.46 : 1,162,239.90 = 325,209.78 : x
  2. Step 2: Convert to fraction form
    774,523.46/1,162,239.90 = 325,209.78/x
  3. Step 3: Cross multiply
    774,523.46x = 1,162,239.90 × 325,209.78
  4. Step 4: Simplify right side
    774,523.46x = 377,971,782,186.22
  5. Step 5: Solve for x
    x = 377,971,782,186.22/774,523.46
  6. Step 6: Final answer
    x = 488,005.60

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1.5x scale

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.