Home / 603,240.85-905,014.43-279,262.52

Finding the Fourth Proportional to 603,240.85, 905,014.43 and 279,262.52

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Solution

The fourth proportional to 603,240.85, 905,014.43 and 279,262.52 is: 418,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,240.85 : 905,014.43 = 279,262.52 : x
  2. Step 2: Convert to fraction form
    603,240.85/905,014.43 = 279,262.52/x
  3. Step 3: Cross multiply
    603,240.85x = 905,014.43 × 279,262.52
  4. Step 4: Simplify right side
    603,240.85x = 252,736,610,358.16
  5. Step 5: Solve for x
    x = 252,736,610,358.16/603,240.85
  6. Step 6: Final answer
    x = 418,964.68

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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.