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Finding the Fourth Proportional to 475,611.98, 655,996.79 and 303,648.17

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Solution

The fourth proportional to 475,611.98, 655,996.79 and 303,648.17 is: 418,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,611.98 : 655,996.79 = 303,648.17 : x
  2. Step 2: Convert to fraction form
    475,611.98/655,996.79 = 303,648.17/x
  3. Step 3: Cross multiply
    475,611.98x = 655,996.79 × 303,648.17
  4. Step 4: Simplify right side
    475,611.98x = 199,192,222,288.51
  5. Step 5: Solve for x
    x = 199,192,222,288.51/475,611.98
  6. Step 6: Final answer
    x = 418,812.46

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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.