Home / 744,839.42-1,028,226.76-476,722.94

Finding the Fourth Proportional to 744,839.42, 1,028,226.76 and 476,722.94

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Solution

The fourth proportional to 744,839.42, 1,028,226.76 and 476,722.94 is: 658,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,839.42 : 1,028,226.76 = 476,722.94 : x
  2. Step 2: Convert to fraction form
    744,839.42/1,028,226.76 = 476,722.94/x
  3. Step 3: Cross multiply
    744,839.42x = 1,028,226.76 × 476,722.94
  4. Step 4: Simplify right side
    744,839.42x = 490,179,277,680.93
  5. Step 5: Solve for x
    x = 490,179,277,680.93/744,839.42
  6. Step 6: Final answer
    x = 658,100.62

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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.