Home / 801,347.77-1,105,825.66-438,765.04

Finding the Fourth Proportional to 801,347.77, 1,105,825.66 and 438,765.04

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Solution

The fourth proportional to 801,347.77, 1,105,825.66 and 438,765.04 is: 605,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,347.77 : 1,105,825.66 = 438,765.04 : x
  2. Step 2: Convert to fraction form
    801,347.77/1,105,825.66 = 438,765.04/x
  3. Step 3: Cross multiply
    801,347.77x = 1,105,825.66 × 438,765.04
  4. Step 4: Simplify right side
    801,347.77x = 485,197,639,942.93
  5. Step 5: Solve for x
    x = 485,197,639,942.93/801,347.77
  6. Step 6: Final answer
    x = 605,477.00

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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.