Home / 747,923.94-1,122,329.79-298,856.70

Finding the Fourth Proportional to 747,923.94, 1,122,329.79 and 298,856.70

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Solution

The fourth proportional to 747,923.94, 1,122,329.79 and 298,856.70 is: 448,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,923.94 : 1,122,329.79 = 298,856.70 : x
  2. Step 2: Convert to fraction form
    747,923.94/1,122,329.79 = 298,856.70/x
  3. Step 3: Cross multiply
    747,923.94x = 1,122,329.79 × 298,856.70
  4. Step 4: Simplify right side
    747,923.94x = 335,415,777,351.09
  5. Step 5: Solve for x
    x = 335,415,777,351.09/747,923.94
  6. Step 6: Final answer
    x = 448,462.42

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Double scale
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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.