Home / 726,072.46-1,002,004.22-399,399.26

Finding the Fourth Proportional to 726,072.46, 1,002,004.22 and 399,399.26

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Solution

The fourth proportional to 726,072.46, 1,002,004.22 and 399,399.26 is: 551,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,072.46 : 1,002,004.22 = 399,399.26 : x
  2. Step 2: Convert to fraction form
    726,072.46/1,002,004.22 = 399,399.26/x
  3. Step 3: Cross multiply
    726,072.46x = 1,002,004.22 × 399,399.26
  4. Step 4: Simplify right side
    726,072.46x = 400,199,739,973.35
  5. Step 5: Solve for x
    x = 400,199,739,973.35/726,072.46
  6. Step 6: Final answer
    x = 551,184.30

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Double scale
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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.