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Finding the Fourth Proportional to 1,240.80, 1,860.17 and 582.33

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Solution

The fourth proportional to 1,240.80, 1,860.17 and 582.33 is: 873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.80 : 1,860.17 = 582.33 : x
  2. Step 2: Convert to fraction form
    1,240.80/1,860.17 = 582.33/x
  3. Step 3: Cross multiply
    1,240.80x = 1,860.17 × 582.33
  4. Step 4: Simplify right side
    1,240.80x = 1,083,232.80
  5. Step 5: Solve for x
    x = 1,083,232.80/1,240.80
  6. Step 6: Final answer
    x = 873.01

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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.