Home / 726,901.35-1,003,116.47-400,204.05

Finding the Fourth Proportional to 726,901.35, 1,003,116.47 and 400,204.05

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Solution

The fourth proportional to 726,901.35, 1,003,116.47 and 400,204.05 is: 552,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,901.35 : 1,003,116.47 = 400,204.05 : x
  2. Step 2: Convert to fraction form
    726,901.35/1,003,116.47 = 400,204.05/x
  3. Step 3: Cross multiply
    726,901.35x = 1,003,116.47 × 400,204.05
  4. Step 4: Simplify right side
    726,901.35x = 401,451,271,914.68
  5. Step 5: Solve for x
    x = 401,451,271,914.68/726,901.35
  6. Step 6: Final answer
    x = 552,277.52

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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.