Home / 965,286.72-1,447,968.96-459,587.52

Finding the Fourth Proportional to 965,286.72, 1,447,968.96 and 459,587.52

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Solution

The fourth proportional to 965,286.72, 1,447,968.96 and 459,587.52 is: 689,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,286.72 : 1,447,968.96 = 459,587.52 : x
  2. Step 2: Convert to fraction form
    965,286.72/1,447,968.96 = 459,587.52/x
  3. Step 3: Cross multiply
    965,286.72x = 1,447,968.96 × 459,587.52
  4. Step 4: Simplify right side
    965,286.72x = 665,468,463,363.38
  5. Step 5: Solve for x
    x = 665,468,463,363.38/965,286.72
  6. Step 6: Final answer
    x = 689,399.79

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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.