Home / 763,334.70-1,145,002.05-264,749.10

Finding the Fourth Proportional to 763,334.70, 1,145,002.05 and 264,749.10

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Solution

The fourth proportional to 763,334.70, 1,145,002.05 and 264,749.10 is: 397,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,334.70 : 1,145,002.05 = 264,749.10 : x
  2. Step 2: Convert to fraction form
    763,334.70/1,145,002.05 = 264,749.10/x
  3. Step 3: Cross multiply
    763,334.70x = 1,145,002.05 × 264,749.10
  4. Step 4: Simplify right side
    763,334.70x = 303,138,262,235.66
  5. Step 5: Solve for x
    x = 303,138,262,235.66/763,334.70
  6. Step 6: Final answer
    x = 397,123.65

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Double scale
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Similar ratio
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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.