Home / 1,021.38-1,532.09-444.25

Finding the Fourth Proportional to 1,021.38, 1,532.09 and 444.25

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Solution

The fourth proportional to 1,021.38, 1,532.09 and 444.25 is: 666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021.38 : 1,532.09 = 444.25 : x
  2. Step 2: Convert to fraction form
    1,021.38/1,532.09 = 444.25/x
  3. Step 3: Cross multiply
    1,021.38x = 1,532.09 × 444.25
  4. Step 4: Simplify right side
    1,021.38x = 680,630.98
  5. Step 5: Solve for x
    x = 680,630.98/1,021.38
  6. Step 6: Final answer
    x = 666.38

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1.5x scale

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.