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Finding the Fourth Proportional to 431,252.80, 594,725.22 and 340,824.81

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Solution

The fourth proportional to 431,252.80, 594,725.22 and 340,824.81 is: 470,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,252.80 : 594,725.22 = 340,824.81 : x
  2. Step 2: Convert to fraction form
    431,252.80/594,725.22 = 340,824.81/x
  3. Step 3: Cross multiply
    431,252.80x = 594,725.22 × 340,824.81
  4. Step 4: Simplify right side
    431,252.80x = 202,697,108,993.60
  5. Step 5: Solve for x
    x = 202,697,108,993.60/431,252.80
  6. Step 6: Final answer
    x = 470,019.23

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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.