Home / 677,449.47-1,016,567.87-303,472.47

Finding the Fourth Proportional to 677,449.47, 1,016,567.87 and 303,472.47

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Solution

The fourth proportional to 677,449.47, 1,016,567.87 and 303,472.47 is: 455,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,449.47 : 1,016,567.87 = 303,472.47 : x
  2. Step 2: Convert to fraction form
    677,449.47/1,016,567.87 = 303,472.47/x
  3. Step 3: Cross multiply
    677,449.47x = 1,016,567.87 × 303,472.47
  4. Step 4: Simplify right side
    677,449.47x = 308,500,362,431.54
  5. Step 5: Solve for x
    x = 308,500,362,431.54/677,449.47
  6. Step 6: Final answer
    x = 455,385.05

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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.