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Finding the Fourth Proportional to 431,250.79, 594,722.43 and 340,822.79

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Solution

The fourth proportional to 431,250.79, 594,722.43 and 340,822.79 is: 470,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,250.79 : 594,722.43 = 340,822.79 : x
  2. Step 2: Convert to fraction form
    431,250.79/594,722.43 = 340,822.79/x
  3. Step 3: Cross multiply
    431,250.79x = 594,722.43 × 340,822.79
  4. Step 4: Simplify right side
    431,250.79x = 202,694,957,868.18
  5. Step 5: Solve for x
    x = 202,694,957,868.18/431,250.79
  6. Step 6: Final answer
    x = 470,016.43

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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.