Home / 987,149.96-1,362,269.62-534,439.88

Finding the Fourth Proportional to 987,149.96, 1,362,269.62 and 534,439.88

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Solution

The fourth proportional to 987,149.96, 1,362,269.62 and 534,439.88 is: 737,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,149.96 : 1,362,269.62 = 534,439.88 : x
  2. Step 2: Convert to fraction form
    987,149.96/1,362,269.62 = 534,439.88/x
  3. Step 3: Cross multiply
    987,149.96x = 1,362,269.62 × 534,439.88
  4. Step 4: Simplify right side
    987,149.96x = 728,051,212,240.45
  5. Step 5: Solve for x
    x = 728,051,212,240.45/987,149.96
  6. Step 6: Final answer
    x = 737,528.48

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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.