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Finding the Fourth Proportional to 662,600.70, 914,364.03 and 404,908.53

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Solution

The fourth proportional to 662,600.70, 914,364.03 and 404,908.53 is: 558,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,600.70 : 914,364.03 = 404,908.53 : x
  2. Step 2: Convert to fraction form
    662,600.70/914,364.03 = 404,908.53/x
  3. Step 3: Cross multiply
    662,600.70x = 914,364.03 × 404,908.53
  4. Step 4: Simplify right side
    662,600.70x = 370,233,795,272.18
  5. Step 5: Solve for x
    x = 370,233,795,272.18/662,600.70
  6. Step 6: Final answer
    x = 558,758.53

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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.