Home / 1,014.07-1,521.23-397.70

Finding the Fourth Proportional to 1,014.07, 1,521.23 and 397.70

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Solution

The fourth proportional to 1,014.07, 1,521.23 and 397.70 is: 596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.07 : 1,521.23 = 397.70 : x
  2. Step 2: Convert to fraction form
    1,014.07/1,521.23 = 397.70/x
  3. Step 3: Cross multiply
    1,014.07x = 1,521.23 × 397.70
  4. Step 4: Simplify right side
    1,014.07x = 604,985.56
  5. Step 5: Solve for x
    x = 604,985.56/1,014.07
  6. Step 6: Final answer
    x = 596.59

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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.