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Finding the Fourth Proportional to 608,410.80, 912,678.78 and 229,650.56

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Solution

The fourth proportional to 608,410.80, 912,678.78 and 229,650.56 is: 344,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,410.80 : 912,678.78 = 229,650.56 : x
  2. Step 2: Convert to fraction form
    608,410.80/912,678.78 = 229,650.56/x
  3. Step 3: Cross multiply
    608,410.80x = 912,678.78 × 229,650.56
  4. Step 4: Simplify right side
    608,410.80x = 209,597,192,927.12
  5. Step 5: Solve for x
    x = 209,597,192,927.12/608,410.80
  6. Step 6: Final answer
    x = 344,499.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.