Home / 901,486.12-1,352,007.78-302,433.88

Finding the Fourth Proportional to 901,486.12, 1,352,007.78 and 302,433.88

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Solution

The fourth proportional to 901,486.12, 1,352,007.78 and 302,433.88 is: 453,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,486.12 : 1,352,007.78 = 302,433.88 : x
  2. Step 2: Convert to fraction form
    901,486.12/1,352,007.78 = 302,433.88/x
  3. Step 3: Cross multiply
    901,486.12x = 1,352,007.78 × 302,433.88
  4. Step 4: Simplify right side
    901,486.12x = 408,892,958,695.59
  5. Step 5: Solve for x
    x = 408,892,958,695.59/901,486.12
  6. Step 6: Final answer
    x = 453,576.54

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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.