Home / 734,817.28-1,102,295.63-285,572.85

Finding the Fourth Proportional to 734,817.28, 1,102,295.63 and 285,572.85

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Solution

The fourth proportional to 734,817.28, 1,102,295.63 and 285,572.85 is: 428,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,817.28 : 1,102,295.63 = 285,572.85 : x
  2. Step 2: Convert to fraction form
    734,817.28/1,102,295.63 = 285,572.85/x
  3. Step 3: Cross multiply
    734,817.28x = 1,102,295.63 × 285,572.85
  4. Step 4: Simplify right side
    734,817.28x = 314,785,704,601.65
  5. Step 5: Solve for x
    x = 314,785,704,601.65/734,817.28
  6. Step 6: Final answer
    x = 428,386.37

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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.