Home / 801,282.69-1,105,726.30-438,636.39

Finding the Fourth Proportional to 801,282.69, 1,105,726.30 and 438,636.39

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Solution

The fourth proportional to 801,282.69, 1,105,726.30 and 438,636.39 is: 605,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,282.69 : 1,105,726.30 = 438,636.39 : x
  2. Step 2: Convert to fraction form
    801,282.69/1,105,726.30 = 438,636.39/x
  3. Step 3: Cross multiply
    801,282.69x = 1,105,726.30 × 438,636.39
  4. Step 4: Simplify right side
    801,282.69x = 485,011,792,560.06
  5. Step 5: Solve for x
    x = 485,011,792,560.06/801,282.69
  6. Step 6: Final answer
    x = 605,294.24

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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.