Home / 828,094.08-1,242,140.52-267,128.60

Finding the Fourth Proportional to 828,094.08, 1,242,140.52 and 267,128.60

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Solution

The fourth proportional to 828,094.08, 1,242,140.52 and 267,128.60 is: 400,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,094.08 : 1,242,140.52 = 267,128.60 : x
  2. Step 2: Convert to fraction form
    828,094.08/1,242,140.52 = 267,128.60/x
  3. Step 3: Cross multiply
    828,094.08x = 1,242,140.52 × 267,128.60
  4. Step 4: Simplify right side
    828,094.08x = 331,811,258,110.87
  5. Step 5: Solve for x
    x = 331,811,258,110.87/828,094.08
  6. Step 6: Final answer
    x = 400,692.71

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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.