Home / 1,193.04-1,789.53-490.23

Finding the Fourth Proportional to 1,193.04, 1,789.53 and 490.23

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Solution

The fourth proportional to 1,193.04, 1,789.53 and 490.23 is: 735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.04 : 1,789.53 = 490.23 : x
  2. Step 2: Convert to fraction form
    1,193.04/1,789.53 = 490.23/x
  3. Step 3: Cross multiply
    1,193.04x = 1,789.53 × 490.23
  4. Step 4: Simplify right side
    1,193.04x = 877,272.74
  5. Step 5: Solve for x
    x = 877,272.74/1,193.04
  6. Step 6: Final answer
    x = 735.33

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Half scale
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Double scale
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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.