Home / 1,045.41-1,442.67-573.30

Finding the Fourth Proportional to 1,045.41, 1,442.67 and 573.30

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Solution

The fourth proportional to 1,045.41, 1,442.67 and 573.30 is: 791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.41 : 1,442.67 = 573.30 : x
  2. Step 2: Convert to fraction form
    1,045.41/1,442.67 = 573.30/x
  3. Step 3: Cross multiply
    1,045.41x = 1,442.67 × 573.30
  4. Step 4: Simplify right side
    1,045.41x = 827,079.84
  5. Step 5: Solve for x
    x = 827,079.84/1,045.41
  6. Step 6: Final answer
    x = 791.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.