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Finding the Fourth Proportional to 496,912.40, 745,368.60 and 297,846.80

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Solution

The fourth proportional to 496,912.40, 745,368.60 and 297,846.80 is: 446,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,912.40 : 745,368.60 = 297,846.80 : x
  2. Step 2: Convert to fraction form
    496,912.40/745,368.60 = 297,846.80/x
  3. Step 3: Cross multiply
    496,912.40x = 745,368.60 × 297,846.80
  4. Step 4: Simplify right side
    496,912.40x = 222,005,652,330.48
  5. Step 5: Solve for x
    x = 222,005,652,330.48/496,912.40
  6. Step 6: Final answer
    x = 446,770.20

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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.