Home / 777,281.67-1,165,922.51-303,634.88

Finding the Fourth Proportional to 777,281.67, 1,165,922.51 and 303,634.88

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Solution

The fourth proportional to 777,281.67, 1,165,922.51 and 303,634.88 is: 455,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,281.67 : 1,165,922.51 = 303,634.88 : x
  2. Step 2: Convert to fraction form
    777,281.67/1,165,922.51 = 303,634.88/x
  3. Step 3: Cross multiply
    777,281.67x = 1,165,922.51 × 303,634.88
  4. Step 4: Simplify right side
    777,281.67x = 354,014,738,437.57
  5. Step 5: Solve for x
    x = 354,014,738,437.57/777,281.67
  6. Step 6: Final answer
    x = 455,452.32

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Similar ratio
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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.