Home / 903,035.43-1,245,158.04-721,622.97

Finding the Fourth Proportional to 903,035.43, 1,245,158.04 and 721,622.97

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Solution

The fourth proportional to 903,035.43, 1,245,158.04 and 721,622.97 is: 995,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,035.43 : 1,245,158.04 = 721,622.97 : x
  2. Step 2: Convert to fraction form
    903,035.43/1,245,158.04 = 721,622.97/x
  3. Step 3: Cross multiply
    903,035.43x = 1,245,158.04 × 721,622.97
  4. Step 4: Simplify right side
    903,035.43x = 898,534,642,944.18
  5. Step 5: Solve for x
    x = 898,534,642,944.18/903,035.43
  6. Step 6: Final answer
    x = 995,015.94

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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.