Home / 622,229.57-857,743.79-507,331.88

Finding the Fourth Proportional to 622,229.57, 857,743.79 and 507,331.88

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Solution

The fourth proportional to 622,229.57, 857,743.79 and 507,331.88 is: 699,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,229.57 : 857,743.79 = 507,331.88 : x
  2. Step 2: Convert to fraction form
    622,229.57/857,743.79 = 507,331.88/x
  3. Step 3: Cross multiply
    622,229.57x = 857,743.79 × 507,331.88
  4. Step 4: Simplify right side
    622,229.57x = 435,160,769,539.03
  5. Step 5: Solve for x
    x = 435,160,769,539.03/622,229.57
  6. Step 6: Final answer
    x = 699,357.26

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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.