Home / 828,150.21-1,242,224.71-267,184.71

Finding the Fourth Proportional to 828,150.21, 1,242,224.71 and 267,184.71

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Solution

The fourth proportional to 828,150.21, 1,242,224.71 and 267,184.71 is: 400,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,150.21 : 1,242,224.71 = 267,184.71 : x
  2. Step 2: Convert to fraction form
    828,150.21/1,242,224.71 = 267,184.71/x
  3. Step 3: Cross multiply
    828,150.21x = 1,242,224.71 × 267,184.71
  4. Step 4: Simplify right side
    828,150.21x = 331,903,448,228.22
  5. Step 5: Solve for x
    x = 331,903,448,228.22/828,150.21
  6. Step 6: Final answer
    x = 400,776.87

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Double scale
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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.