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Finding the Fourth Proportional to 606,363.28, 910,175.74 and 446,619.56

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Solution

The fourth proportional to 606,363.28, 910,175.74 and 446,619.56 is: 670,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,363.28 : 910,175.74 = 446,619.56 : x
  2. Step 2: Convert to fraction form
    606,363.28/910,175.74 = 446,619.56/x
  3. Step 3: Cross multiply
    606,363.28x = 910,175.74 × 446,619.56
  4. Step 4: Simplify right side
    606,363.28x = 406,502,288,521.47
  5. Step 5: Solve for x
    x = 406,502,288,521.47/606,363.28
  6. Step 6: Final answer
    x = 670,393.97

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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.