Home / 727,223.01-1,003,558.26-400,529.80

Finding the Fourth Proportional to 727,223.01, 1,003,558.26 and 400,529.80

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Solution

The fourth proportional to 727,223.01, 1,003,558.26 and 400,529.80 is: 552,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,223.01 : 1,003,558.26 = 400,529.80 : x
  2. Step 2: Convert to fraction form
    727,223.01/1,003,558.26 = 400,529.80/x
  3. Step 3: Cross multiply
    727,223.01x = 1,003,558.26 × 400,529.80
  4. Step 4: Simplify right side
    727,223.01x = 401,954,988,258.35
  5. Step 5: Solve for x
    x = 401,954,988,258.35/727,223.01
  6. Step 6: Final answer
    x = 552,725.90

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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.