Home / 747.03-1,120.34-335.93

Finding the Fourth Proportional to 747.03, 1,120.34 and 335.93

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Solution

The fourth proportional to 747.03, 1,120.34 and 335.93 is: 503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747.03 : 1,120.34 = 335.93 : x
  2. Step 2: Convert to fraction form
    747.03/1,120.34 = 335.93/x
  3. Step 3: Cross multiply
    747.03x = 1,120.34 × 335.93
  4. Step 4: Simplify right side
    747.03x = 376,351.05
  5. Step 5: Solve for x
    x = 376,351.05/747.03
  6. Step 6: Final answer
    x = 503.80

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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.