Home / 734,816.28-1,102,294.13-285,571.85

Finding the Fourth Proportional to 734,816.28, 1,102,294.13 and 285,571.85

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Solution

The fourth proportional to 734,816.28, 1,102,294.13 and 285,571.85 is: 428,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,816.28 : 1,102,294.13 = 285,571.85 : x
  2. Step 2: Convert to fraction form
    734,816.28/1,102,294.13 = 285,571.85/x
  3. Step 3: Cross multiply
    734,816.28x = 1,102,294.13 × 285,571.85
  4. Step 4: Simplify right side
    734,816.28x = 314,784,172,520.38
  5. Step 5: Solve for x
    x = 314,784,172,520.38/734,816.28
  6. Step 6: Final answer
    x = 428,384.86

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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.