Home / 987,338.72-1,362,527.44-534,629.72

Finding the Fourth Proportional to 987,338.72, 1,362,527.44 and 534,629.72

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Solution

The fourth proportional to 987,338.72, 1,362,527.44 and 534,629.72 is: 737,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,338.72 : 1,362,527.44 = 534,629.72 : x
  2. Step 2: Convert to fraction form
    987,338.72/1,362,527.44 = 534,629.72/x
  3. Step 3: Cross multiply
    987,338.72x = 1,362,527.44 × 534,629.72
  4. Step 4: Simplify right side
    987,338.72x = 728,447,663,739.52
  5. Step 5: Solve for x
    x = 728,447,663,739.52/987,338.72
  6. Step 6: Final answer
    x = 737,789.02

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1.5x scale

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.