Home / 649,738.93-973,757.22-312,107.82

Finding the Fourth Proportional to 649,738.93, 973,757.22 and 312,107.82

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Solution

The fourth proportional to 649,738.93, 973,757.22 and 312,107.82 is: 467,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,738.93 : 973,757.22 = 312,107.82 : x
  2. Step 2: Convert to fraction form
    649,738.93/973,757.22 = 312,107.82/x
  3. Step 3: Cross multiply
    649,738.93x = 973,757.22 × 312,107.82
  4. Step 4: Simplify right side
    649,738.93x = 303,917,243,143.46
  5. Step 5: Solve for x
    x = 303,917,243,143.46/649,738.93
  6. Step 6: Final answer
    x = 467,752.86

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1.5x scale

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.