Home / 874,422.20-1,311,633.30-341,569.60

Finding the Fourth Proportional to 874,422.20, 1,311,633.30 and 341,569.60

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Solution

The fourth proportional to 874,422.20, 1,311,633.30 and 341,569.60 is: 512,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,422.20 : 1,311,633.30 = 341,569.60 : x
  2. Step 2: Convert to fraction form
    874,422.20/1,311,633.30 = 341,569.60/x
  3. Step 3: Cross multiply
    874,422.20x = 1,311,633.30 × 341,569.60
  4. Step 4: Simplify right side
    874,422.20x = 448,014,061,627.68
  5. Step 5: Solve for x
    x = 448,014,061,627.68/874,422.20
  6. Step 6: Final answer
    x = 512,354.40

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Double scale
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Similar ratio
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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.