Home / 785,933.82-1,084,588.68-428,237.82

Finding the Fourth Proportional to 785,933.82, 1,084,588.68 and 428,237.82

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Solution

The fourth proportional to 785,933.82, 1,084,588.68 and 428,237.82 is: 590,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,933.82 : 1,084,588.68 = 428,237.82 : x
  2. Step 2: Convert to fraction form
    785,933.82/1,084,588.68 = 428,237.82/x
  3. Step 3: Cross multiply
    785,933.82x = 1,084,588.68 × 428,237.82
  4. Step 4: Simplify right side
    785,933.82x = 464,461,891,919.88
  5. Step 5: Solve for x
    x = 464,461,891,919.88/785,933.82
  6. Step 6: Final answer
    x = 590,968.20

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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.