Home / 594,918.66-820,987.74-322,986.54

Finding the Fourth Proportional to 594,918.66, 820,987.74 and 322,986.54

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Solution

The fourth proportional to 594,918.66, 820,987.74 and 322,986.54 is: 445,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,918.66 : 820,987.74 = 322,986.54 : x
  2. Step 2: Convert to fraction form
    594,918.66/820,987.74 = 322,986.54/x
  3. Step 3: Cross multiply
    594,918.66x = 820,987.74 × 322,986.54
  4. Step 4: Simplify right side
    594,918.66x = 265,167,989,525.02
  5. Step 5: Solve for x
    x = 265,167,989,525.02/594,918.66
  6. Step 6: Final answer
    x = 445,721.42

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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.