Home / 835,911.72-1,253,704.37-267,140.25

Finding the Fourth Proportional to 835,911.72, 1,253,704.37 and 267,140.25

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Solution

The fourth proportional to 835,911.72, 1,253,704.37 and 267,140.25 is: 400,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,911.72 : 1,253,704.37 = 267,140.25 : x
  2. Step 2: Convert to fraction form
    835,911.72/1,253,704.37 = 267,140.25/x
  3. Step 3: Cross multiply
    835,911.72x = 1,253,704.37 × 267,140.25
  4. Step 4: Simplify right side
    835,911.72x = 334,914,897,492.19
  5. Step 5: Solve for x
    x = 334,914,897,492.19/835,911.72
  6. Step 6: Final answer
    x = 400,658.21

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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.