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Finding the Fourth Proportional to 567,909.20, 783,823.56 and 341,627.60

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Solution

The fourth proportional to 567,909.20, 783,823.56 and 341,627.60 is: 471,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,909.20 : 783,823.56 = 341,627.60 : x
  2. Step 2: Convert to fraction form
    567,909.20/783,823.56 = 341,627.60/x
  3. Step 3: Cross multiply
    567,909.20x = 783,823.56 × 341,627.60
  4. Step 4: Simplify right side
    567,909.20x = 267,775,761,626.26
  5. Step 5: Solve for x
    x = 267,775,761,626.26/567,909.20
  6. Step 6: Final answer
    x = 471,511.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.