Home / 676,758.63-933,914.57-401,301.80

Finding the Fourth Proportional to 676,758.63, 933,914.57 and 401,301.80

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Solution

The fourth proportional to 676,758.63, 933,914.57 and 401,301.80 is: 553,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,758.63 : 933,914.57 = 401,301.80 : x
  2. Step 2: Convert to fraction form
    676,758.63/933,914.57 = 401,301.80/x
  3. Step 3: Cross multiply
    676,758.63x = 933,914.57 × 401,301.80
  4. Step 4: Simplify right side
    676,758.63x = 374,781,597,987.23
  5. Step 5: Solve for x
    x = 374,781,597,987.23/676,758.63
  6. Step 6: Final answer
    x = 553,789.17

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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.