Home / 727,738.40-1,091,724.24-307,076.24

Finding the Fourth Proportional to 727,738.40, 1,091,724.24 and 307,076.24

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Solution

The fourth proportional to 727,738.40, 1,091,724.24 and 307,076.24 is: 460,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,738.40 : 1,091,724.24 = 307,076.24 : x
  2. Step 2: Convert to fraction form
    727,738.40/1,091,724.24 = 307,076.24/x
  3. Step 3: Cross multiply
    727,738.40x = 1,091,724.24 × 307,076.24
  4. Step 4: Simplify right side
    727,738.40x = 335,242,574,736.06
  5. Step 5: Solve for x
    x = 335,242,574,736.06/727,738.40
  6. Step 6: Final answer
    x = 460,663.58

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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.