Home / 858.03-1,182.87-609.26

Finding the Fourth Proportional to 858.03, 1,182.87 and 609.26

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Solution

The fourth proportional to 858.03, 1,182.87 and 609.26 is: 839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858.03 : 1,182.87 = 609.26 : x
  2. Step 2: Convert to fraction form
    858.03/1,182.87 = 609.26/x
  3. Step 3: Cross multiply
    858.03x = 1,182.87 × 609.26
  4. Step 4: Simplify right side
    858.03x = 720,679.86
  5. Step 5: Solve for x
    x = 720,679.86/858.03
  6. Step 6: Final answer
    x = 839.92

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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.