Home / 902.03-1,244.80-488.03

Finding the Fourth Proportional to 902.03, 1,244.80 and 488.03

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Solution

The fourth proportional to 902.03, 1,244.80 and 488.03 is: 673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.03 : 1,244.80 = 488.03 : x
  2. Step 2: Convert to fraction form
    902.03/1,244.80 = 488.03/x
  3. Step 3: Cross multiply
    902.03x = 1,244.80 × 488.03
  4. Step 4: Simplify right side
    902.03x = 607,502.83
  5. Step 5: Solve for x
    x = 607,502.83/902.03
  6. Step 6: Final answer
    x = 673.48

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1.5x scale

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.