Home / 1,062.28-1,466.04-620.08

Finding the Fourth Proportional to 1,062.28, 1,466.04 and 620.08

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Solution

The fourth proportional to 1,062.28, 1,466.04 and 620.08 is: 855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.28 : 1,466.04 = 620.08 : x
  2. Step 2: Convert to fraction form
    1,062.28/1,466.04 = 620.08/x
  3. Step 3: Cross multiply
    1,062.28x = 1,466.04 × 620.08
  4. Step 4: Simplify right side
    1,062.28x = 909,062.08
  5. Step 5: Solve for x
    x = 909,062.08/1,062.28
  6. Step 6: Final answer
    x = 855.77

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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.