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Finding the Fourth Proportional to 606,363.96, 910,176.78 and 446,620.28

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Solution

The fourth proportional to 606,363.96, 910,176.78 and 446,620.28 is: 670,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,363.96 : 910,176.78 = 446,620.28 : x
  2. Step 2: Convert to fraction form
    606,363.96/910,176.78 = 446,620.28/x
  3. Step 3: Cross multiply
    606,363.96x = 910,176.78 × 446,620.28
  4. Step 4: Simplify right side
    606,363.96x = 406,503,408,333.10
  5. Step 5: Solve for x
    x = 406,503,408,333.10/606,363.96
  6. Step 6: Final answer
    x = 670,395.07

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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.