Home / 1,050.38-1,575.58-320.07

Finding the Fourth Proportional to 1,050.38, 1,575.58 and 320.07

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Solution

The fourth proportional to 1,050.38, 1,575.58 and 320.07 is: 480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.38 : 1,575.58 = 320.07 : x
  2. Step 2: Convert to fraction form
    1,050.38/1,575.58 = 320.07/x
  3. Step 3: Cross multiply
    1,050.38x = 1,575.58 × 320.07
  4. Step 4: Simplify right side
    1,050.38x = 504,295.89
  5. Step 5: Solve for x
    x = 504,295.89/1,050.38
  6. Step 6: Final answer
    x = 480.11

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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.