Home / 431,979.87-647,895.93-116,362.95

Finding the Fourth Proportional to 431,979.87, 647,895.93 and 116,362.95

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Solution

The fourth proportional to 431,979.87, 647,895.93 and 116,362.95 is: 174,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,979.87 : 647,895.93 = 116,362.95 : x
  2. Step 2: Convert to fraction form
    431,979.87/647,895.93 = 116,362.95/x
  3. Step 3: Cross multiply
    431,979.87x = 647,895.93 × 116,362.95
  4. Step 4: Simplify right side
    431,979.87x = 75,391,081,707.79
  5. Step 5: Solve for x
    x = 75,391,081,707.79/431,979.87
  6. Step 6: Final answer
    x = 174,524.53

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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.