Home / 726,843.85-1,003,026.65-400,154.14

Finding the Fourth Proportional to 726,843.85, 1,003,026.65 and 400,154.14

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Solution

The fourth proportional to 726,843.85, 1,003,026.65 and 400,154.14 is: 552,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,843.85 : 1,003,026.65 = 400,154.14 : x
  2. Step 2: Convert to fraction form
    726,843.85/1,003,026.65 = 400,154.14/x
  3. Step 3: Cross multiply
    726,843.85x = 1,003,026.65 × 400,154.14
  4. Step 4: Simplify right side
    726,843.85x = 401,365,265,780.84
  5. Step 5: Solve for x
    x = 401,365,265,780.84/726,843.85
  6. Step 6: Final answer
    x = 552,202.88

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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.