Home / 785,925.56-1,084,577.29-428,229.56

Finding the Fourth Proportional to 785,925.56, 1,084,577.29 and 428,229.56

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Solution

The fourth proportional to 785,925.56, 1,084,577.29 and 428,229.56 is: 590,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,925.56 : 1,084,577.29 = 428,229.56 : x
  2. Step 2: Convert to fraction form
    785,925.56/1,084,577.29 = 428,229.56/x
  3. Step 3: Cross multiply
    785,925.56x = 1,084,577.29 × 428,229.56
  4. Step 4: Simplify right side
    785,925.56x = 464,448,057,323.56
  5. Step 5: Solve for x
    x = 464,448,057,323.56/785,925.56
  6. Step 6: Final answer
    x = 590,956.80

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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.