Home / 790,852.93-1,091,371.62-428,268.49

Finding the Fourth Proportional to 790,852.93, 1,091,371.62 and 428,268.49

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Solution

The fourth proportional to 790,852.93, 1,091,371.62 and 428,268.49 is: 591,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,852.93 : 1,091,371.62 = 428,268.49 : x
  2. Step 2: Convert to fraction form
    790,852.93/1,091,371.62 = 428,268.49/x
  3. Step 3: Cross multiply
    790,852.93x = 1,091,371.62 × 428,268.49
  4. Step 4: Simplify right side
    790,852.93x = 467,400,075,726.25
  5. Step 5: Solve for x
    x = 467,400,075,726.25/790,852.93
  6. Step 6: Final answer
    x = 591,007.58

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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.