Home / 442,028.49-663,047.46-353,842.58

Finding the Fourth Proportional to 442,028.49, 663,047.46 and 353,842.58

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Solution

The fourth proportional to 442,028.49, 663,047.46 and 353,842.58 is: 530,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,028.49 : 663,047.46 = 353,842.58 : x
  2. Step 2: Convert to fraction form
    442,028.49/663,047.46 = 353,842.58/x
  3. Step 3: Cross multiply
    442,028.49x = 663,047.46 × 353,842.58
  4. Step 4: Simplify right side
    442,028.49x = 234,614,420,593.61
  5. Step 5: Solve for x
    x = 234,614,420,593.61/442,028.49
  6. Step 6: Final answer
    x = 530,767.64

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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.