Home / 1,393.02-2,089.59-527.25

Finding the Fourth Proportional to 1,393.02, 2,089.59 and 527.25

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Solution

The fourth proportional to 1,393.02, 2,089.59 and 527.25 is: 790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393.02 : 2,089.59 = 527.25 : x
  2. Step 2: Convert to fraction form
    1,393.02/2,089.59 = 527.25/x
  3. Step 3: Cross multiply
    1,393.02x = 2,089.59 × 527.25
  4. Step 4: Simplify right side
    1,393.02x = 1,101,736.33
  5. Step 5: Solve for x
    x = 1,101,736.33/1,393.02
  6. Step 6: Final answer
    x = 790.90

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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.