Home / 579,387.04-799,551.60-324,738.22

Finding the Fourth Proportional to 579,387.04, 799,551.60 and 324,738.22

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Solution

The fourth proportional to 579,387.04, 799,551.60 and 324,738.22 is: 448,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,387.04 : 799,551.60 = 324,738.22 : x
  2. Step 2: Convert to fraction form
    579,387.04/799,551.60 = 324,738.22/x
  3. Step 3: Cross multiply
    579,387.04x = 799,551.60 × 324,738.22
  4. Step 4: Simplify right side
    579,387.04x = 259,644,963,382.15
  5. Step 5: Solve for x
    x = 259,644,963,382.15/579,387.04
  6. Step 6: Final answer
    x = 448,137.33

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Double scale
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Similar ratio
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1.5x scale

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.