Home / 741,126.04-1,111,416.76-254,670.23

Finding the Fourth Proportional to 741,126.04, 1,111,416.76 and 254,670.23

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Solution

The fourth proportional to 741,126.04, 1,111,416.76 and 254,670.23 is: 381,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,126.04 : 1,111,416.76 = 254,670.23 : x
  2. Step 2: Convert to fraction form
    741,126.04/1,111,416.76 = 254,670.23/x
  3. Step 3: Cross multiply
    741,126.04x = 1,111,416.76 × 254,670.23
  4. Step 4: Simplify right side
    741,126.04x = 283,044,761,895.06
  5. Step 5: Solve for x
    x = 283,044,761,895.06/741,126.04
  6. Step 6: Final answer
    x = 381,911.78

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Double scale
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Similar ratio
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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.