Home / 1,050.67-1,575.79-320.10

Finding the Fourth Proportional to 1,050.67, 1,575.79 and 320.10

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Solution

The fourth proportional to 1,050.67, 1,575.79 and 320.10 is: 480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.67 : 1,575.79 = 320.10 : x
  2. Step 2: Convert to fraction form
    1,050.67/1,575.79 = 320.10/x
  3. Step 3: Cross multiply
    1,050.67x = 1,575.79 × 320.10
  4. Step 4: Simplify right side
    1,050.67x = 504,410.38
  5. Step 5: Solve for x
    x = 504,410.38/1,050.67
  6. Step 6: Final answer
    x = 480.08

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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.