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Finding the Fourth Proportional to 650,255.40, 975,383.10 and 414,642.60

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Solution

The fourth proportional to 650,255.40, 975,383.10 and 414,642.60 is: 621,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,255.40 : 975,383.10 = 414,642.60 : x
  2. Step 2: Convert to fraction form
    650,255.40/975,383.10 = 414,642.60/x
  3. Step 3: Cross multiply
    650,255.40x = 975,383.10 × 414,642.60
  4. Step 4: Simplify right side
    650,255.40x = 404,435,384,580.06
  5. Step 5: Solve for x
    x = 404,435,384,580.06/650,255.40
  6. Step 6: Final answer
    x = 621,963.90

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Similar ratio
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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.