Home / 1,020.60-1,529.98-370.88

Finding the Fourth Proportional to 1,020.60, 1,529.98 and 370.88

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Solution

The fourth proportional to 1,020.60, 1,529.98 and 370.88 is: 555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020.60 : 1,529.98 = 370.88 : x
  2. Step 2: Convert to fraction form
    1,020.60/1,529.98 = 370.88/x
  3. Step 3: Cross multiply
    1,020.60x = 1,529.98 × 370.88
  4. Step 4: Simplify right side
    1,020.60x = 567,438.98
  5. Step 5: Solve for x
    x = 567,438.98/1,020.60
  6. Step 6: Final answer
    x = 555.99

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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.