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Finding the Fourth Proportional to 637,353.72, 956,621.34 and 322,032.24

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Solution

The fourth proportional to 637,353.72, 956,621.34 and 322,032.24 is: 483,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,353.72 : 956,621.34 = 322,032.24 : x
  2. Step 2: Convert to fraction form
    637,353.72/956,621.34 = 322,032.24/x
  3. Step 3: Cross multiply
    637,353.72x = 956,621.34 × 322,032.24
  4. Step 4: Simplify right side
    637,353.72x = 308,062,912,952.00
  5. Step 5: Solve for x
    x = 308,062,912,952.00/637,353.72
  6. Step 6: Final answer
    x = 483,346.85

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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.