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Finding the Fourth Proportional to 494,472.60, 741,708.90 and 335,040.30

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Solution

The fourth proportional to 494,472.60, 741,708.90 and 335,040.30 is: 502,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,472.60 : 741,708.90 = 335,040.30 : x
  2. Step 2: Convert to fraction form
    494,472.60/741,708.90 = 335,040.30/x
  3. Step 3: Cross multiply
    494,472.60x = 741,708.90 × 335,040.30
  4. Step 4: Simplify right side
    494,472.60x = 248,502,372,368.67
  5. Step 5: Solve for x
    x = 248,502,372,368.67/494,472.60
  6. Step 6: Final answer
    x = 502,560.45

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Similar ratio
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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.