Home / 494,705.10-741,182.85-419,472.30

Finding the Fourth Proportional to 494,705.10, 741,182.85 and 419,472.30

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Solution

The fourth proportional to 494,705.10, 741,182.85 and 419,472.30 is: 628,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,705.10 : 741,182.85 = 419,472.30 : x
  2. Step 2: Convert to fraction form
    494,705.10/741,182.85 = 419,472.30/x
  3. Step 3: Cross multiply
    494,705.10x = 741,182.85 × 419,472.30
  4. Step 4: Simplify right side
    494,705.10x = 310,905,674,810.06
  5. Step 5: Solve for x
    x = 310,905,674,810.06/494,705.10
  6. Step 6: Final answer
    x = 628,466.69

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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.