Home / 726,741.12-1,002,892.96-404,451.14

Finding the Fourth Proportional to 726,741.12, 1,002,892.96 and 404,451.14

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Solution

The fourth proportional to 726,741.12, 1,002,892.96 and 404,451.14 is: 558,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,741.12 : 1,002,892.96 = 404,451.14 : x
  2. Step 2: Convert to fraction form
    726,741.12/1,002,892.96 = 404,451.14/x
  3. Step 3: Cross multiply
    726,741.12x = 1,002,892.96 × 404,451.14
  4. Step 4: Simplify right side
    726,741.12x = 405,621,196,461.07
  5. Step 5: Solve for x
    x = 405,621,196,461.07/726,741.12
  6. Step 6: Final answer
    x = 558,137.12

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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.