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Finding the Fourth Proportional to 899,777.24, 1,241,695.08 and 491,884

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Solution

The fourth proportional to 899,777.24, 1,241,695.08 and 491,884 is: 678,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,777.24 : 1,241,695.08 = 491,884 : x
  2. Step 2: Convert to fraction form
    899,777.24/1,241,695.08 = 491,884/x
  3. Step 3: Cross multiply
    899,777.24x = 1,241,695.08 × 491,884
  4. Step 4: Simplify right side
    899,777.24x = 610,769,942,730.72
  5. Step 5: Solve for x
    x = 610,769,942,730.72/899,777.24
  6. Step 6: Final answer
    x = 678,801.28

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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.