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Finding the Fourth Proportional to 618,324.40, 927,486.60 and 466,765.30

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Solution

The fourth proportional to 618,324.40, 927,486.60 and 466,765.30 is: 700,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,324.40 : 927,486.60 = 466,765.30 : x
  2. Step 2: Convert to fraction form
    618,324.40/927,486.60 = 466,765.30/x
  3. Step 3: Cross multiply
    618,324.40x = 927,486.60 × 466,765.30
  4. Step 4: Simplify right side
    618,324.40x = 432,918,561,094.98
  5. Step 5: Solve for x
    x = 432,918,561,094.98/618,324.40
  6. Step 6: Final answer
    x = 700,147.95

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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.