Home / 427,535.58-589,907.19-257,766.06

Finding the Fourth Proportional to 427,535.58, 589,907.19 and 257,766.06

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Solution

The fourth proportional to 427,535.58, 589,907.19 and 257,766.06 is: 355,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,535.58 : 589,907.19 = 257,766.06 : x
  2. Step 2: Convert to fraction form
    427,535.58/589,907.19 = 257,766.06/x
  3. Step 3: Cross multiply
    427,535.58x = 589,907.19 × 257,766.06
  4. Step 4: Simplify right side
    427,535.58x = 152,058,052,131.97
  5. Step 5: Solve for x
    x = 152,058,052,131.97/427,535.58
  6. Step 6: Final answer
    x = 355,661.75

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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.