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Finding the Fourth Proportional to 650,273.40, 974,027.70 and 426,324.60

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Solution

The fourth proportional to 650,273.40, 974,027.70 and 426,324.60 is: 638,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,273.40 : 974,027.70 = 426,324.60 : x
  2. Step 2: Convert to fraction form
    650,273.40/974,027.70 = 426,324.60/x
  3. Step 3: Cross multiply
    650,273.40x = 974,027.70 × 426,324.60
  4. Step 4: Simplify right side
    650,273.40x = 415,251,969,591.42
  5. Step 5: Solve for x
    x = 415,251,969,591.42/650,273.40
  6. Step 6: Final answer
    x = 638,580.59

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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.