Home / 1,020.34-1,529.14-370.44

Finding the Fourth Proportional to 1,020.34, 1,529.14 and 370.44

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Solution

The fourth proportional to 1,020.34, 1,529.14 and 370.44 is: 555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020.34 : 1,529.14 = 370.44 : x
  2. Step 2: Convert to fraction form
    1,020.34/1,529.14 = 370.44/x
  3. Step 3: Cross multiply
    1,020.34x = 1,529.14 × 370.44
  4. Step 4: Simplify right side
    1,020.34x = 566,454.62
  5. Step 5: Solve for x
    x = 566,454.62/1,020.34
  6. Step 6: Final answer
    x = 555.16

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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.