Home / 1,014.02-1,521.26-397.56

Finding the Fourth Proportional to 1,014.02, 1,521.26 and 397.56

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Solution

The fourth proportional to 1,014.02, 1,521.26 and 397.56 is: 596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.02 : 1,521.26 = 397.56 : x
  2. Step 2: Convert to fraction form
    1,014.02/1,521.26 = 397.56/x
  3. Step 3: Cross multiply
    1,014.02x = 1,521.26 × 397.56
  4. Step 4: Simplify right side
    1,014.02x = 604,784.52
  5. Step 5: Solve for x
    x = 604,784.52/1,014.02
  6. Step 6: Final answer
    x = 596.43

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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.