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Finding the Fourth Proportional to 618,215.04, 925,801.92 and 301,651.20

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Solution

The fourth proportional to 618,215.04, 925,801.92 and 301,651.20 is: 451,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,215.04 : 925,801.92 = 301,651.20 : x
  2. Step 2: Convert to fraction form
    618,215.04/925,801.92 = 301,651.20/x
  3. Step 3: Cross multiply
    618,215.04x = 925,801.92 × 301,651.20
  4. Step 4: Simplify right side
    618,215.04x = 279,269,260,130.30
  5. Step 5: Solve for x
    x = 279,269,260,130.30/618,215.04
  6. Step 6: Final answer
    x = 451,734.82

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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.