Home / 987,031.60-1,362,107.96-534,322.60

Finding the Fourth Proportional to 987,031.60, 1,362,107.96 and 534,322.60

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Solution

The fourth proportional to 987,031.60, 1,362,107.96 and 534,322.60 is: 737,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,031.60 : 1,362,107.96 = 534,322.60 : x
  2. Step 2: Convert to fraction form
    987,031.60/1,362,107.96 = 534,322.60/x
  3. Step 3: Cross multiply
    987,031.60x = 1,362,107.96 × 534,322.60
  4. Step 4: Simplify right side
    987,031.60x = 727,805,066,667.90
  5. Step 5: Solve for x
    x = 727,805,066,667.90/987,031.60
  6. Step 6: Final answer
    x = 737,367.54

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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.