Home / 983,185.62-1,356,821.26-553,480.83

Finding the Fourth Proportional to 983,185.62, 1,356,821.26 and 553,480.83

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Solution

The fourth proportional to 983,185.62, 1,356,821.26 and 553,480.83 is: 763,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,185.62 : 1,356,821.26 = 553,480.83 : x
  2. Step 2: Convert to fraction form
    983,185.62/1,356,821.26 = 553,480.83/x
  3. Step 3: Cross multiply
    983,185.62x = 1,356,821.26 × 553,480.83
  4. Step 4: Simplify right side
    983,185.62x = 750,974,557,146.45
  5. Step 5: Solve for x
    x = 750,974,557,146.45/983,185.62
  6. Step 6: Final answer
    x = 763,817.68

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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.