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Finding the Fourth Proportional to 650,875.65, 898,183.44 and 356,520.64

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Solution

The fourth proportional to 650,875.65, 898,183.44 and 356,520.64 is: 491,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,875.65 : 898,183.44 = 356,520.64 : x
  2. Step 2: Convert to fraction form
    650,875.65/898,183.44 = 356,520.64/x
  3. Step 3: Cross multiply
    650,875.65x = 898,183.44 × 356,520.64
  4. Step 4: Simplify right side
    650,875.65x = 320,220,934,866.20
  5. Step 5: Solve for x
    x = 320,220,934,866.20/650,875.65
  6. Step 6: Final answer
    x = 491,984.81

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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.