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Finding the Fourth Proportional to 611,450.10, 843,816.96 and 339,529.46

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Solution

The fourth proportional to 611,450.10, 843,816.96 and 339,529.46 is: 468,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,450.10 : 843,816.96 = 339,529.46 : x
  2. Step 2: Convert to fraction form
    611,450.10/843,816.96 = 339,529.46/x
  3. Step 3: Cross multiply
    611,450.10x = 843,816.96 × 339,529.46
  4. Step 4: Simplify right side
    611,450.10x = 286,500,712,548.56
  5. Step 5: Solve for x
    x = 286,500,712,548.56/611,450.10
  6. Step 6: Final answer
    x = 468,559.43

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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.