Home / 494,475.28-682,463.24-290,526.16

Finding the Fourth Proportional to 494,475.28, 682,463.24 and 290,526.16

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Solution

The fourth proportional to 494,475.28, 682,463.24 and 290,526.16 is: 400,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,475.28 : 682,463.24 = 290,526.16 : x
  2. Step 2: Convert to fraction form
    494,475.28/682,463.24 = 290,526.16/x
  3. Step 3: Cross multiply
    494,475.28x = 682,463.24 × 290,526.16
  4. Step 4: Simplify right side
    494,475.28x = 198,273,424,458.36
  5. Step 5: Solve for x
    x = 198,273,424,458.36/494,475.28
  6. Step 6: Final answer
    x = 400,977.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.