Home / 728,553.84-1,093,245.48-479,353.20

Finding the Fourth Proportional to 728,553.84, 1,093,245.48 and 479,353.20

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Solution

The fourth proportional to 728,553.84, 1,093,245.48 and 479,353.20 is: 719,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,553.84 : 1,093,245.48 = 479,353.20 : x
  2. Step 2: Convert to fraction form
    728,553.84/1,093,245.48 = 479,353.20/x
  3. Step 3: Cross multiply
    728,553.84x = 1,093,245.48 × 479,353.20
  4. Step 4: Simplify right side
    728,553.84x = 524,050,719,223.54
  5. Step 5: Solve for x
    x = 524,050,719,223.54/728,553.84
  6. Step 6: Final answer
    x = 719,302.67

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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.