Home / 747,664.14-1,121,219.19-267,817.20

Finding the Fourth Proportional to 747,664.14, 1,121,219.19 and 267,817.20

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Solution

The fourth proportional to 747,664.14, 1,121,219.19 and 267,817.20 is: 401,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,664.14 : 1,121,219.19 = 267,817.20 : x
  2. Step 2: Convert to fraction form
    747,664.14/1,121,219.19 = 267,817.20/x
  3. Step 3: Cross multiply
    747,664.14x = 1,121,219.19 × 267,817.20
  4. Step 4: Simplify right side
    747,664.14x = 300,281,784,052.07
  5. Step 5: Solve for x
    x = 300,281,784,052.07/747,664.14
  6. Step 6: Final answer
    x = 401,626.57

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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.