Home / 494,428.40-741,642.60-307,804.40

Finding the Fourth Proportional to 494,428.40, 741,642.60 and 307,804.40

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Solution

The fourth proportional to 494,428.40, 741,642.60 and 307,804.40 is: 461,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.40 : 741,642.60 = 307,804.40 : x
  2. Step 2: Convert to fraction form
    494,428.40/741,642.60 = 307,804.40/x
  3. Step 3: Cross multiply
    494,428.40x = 741,642.60 × 307,804.40
  4. Step 4: Simplify right side
    494,428.40x = 228,280,855,507.44
  5. Step 5: Solve for x
    x = 228,280,855,507.44/494,428.40
  6. Step 6: Final answer
    x = 461,706.60

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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.