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Finding the Fourth Proportional to 650,181.28, 897,430.49 and 378,301.69

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Solution

The fourth proportional to 650,181.28, 897,430.49 and 378,301.69 is: 522,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,181.28 : 897,430.49 = 378,301.69 : x
  2. Step 2: Convert to fraction form
    650,181.28/897,430.49 = 378,301.69/x
  3. Step 3: Cross multiply
    650,181.28x = 897,430.49 × 378,301.69
  4. Step 4: Simplify right side
    650,181.28x = 339,499,471,673.44
  5. Step 5: Solve for x
    x = 339,499,471,673.44/650,181.28
  6. Step 6: Final answer
    x = 522,161.25

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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.