Home / 662,821.80-914,716.98-376,332.36

Finding the Fourth Proportional to 662,821.80, 914,716.98 and 376,332.36

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Solution

The fourth proportional to 662,821.80, 914,716.98 and 376,332.36 is: 519,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,821.80 : 914,716.98 = 376,332.36 : x
  2. Step 2: Convert to fraction form
    662,821.80/914,716.98 = 376,332.36/x
  3. Step 3: Cross multiply
    662,821.80x = 914,716.98 × 376,332.36
  4. Step 4: Simplify right side
    662,821.80x = 344,237,599,815.47
  5. Step 5: Solve for x
    x = 344,237,599,815.47/662,821.80
  6. Step 6: Final answer
    x = 519,351.66

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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.