Home / 656,466.42-905,046.24-492,425.62

Finding the Fourth Proportional to 656,466.42, 905,046.24 and 492,425.62

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Solution

The fourth proportional to 656,466.42, 905,046.24 and 492,425.62 is: 678,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,466.42 : 905,046.24 = 492,425.62 : x
  2. Step 2: Convert to fraction form
    656,466.42/905,046.24 = 492,425.62/x
  3. Step 3: Cross multiply
    656,466.42x = 905,046.24 × 492,425.62
  4. Step 4: Simplify right side
    656,466.42x = 445,667,955,860.67
  5. Step 5: Solve for x
    x = 445,667,955,860.67/656,466.42
  6. Step 6: Final answer
    x = 678,889.19

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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.