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Finding the Fourth Proportional to 606,362.46, 910,174.53 and 446,618.78

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Solution

The fourth proportional to 606,362.46, 910,174.53 and 446,618.78 is: 670,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,362.46 : 910,174.53 = 446,618.78 : x
  2. Step 2: Convert to fraction form
    606,362.46/910,174.53 = 446,618.78/x
  3. Step 3: Cross multiply
    606,362.46x = 910,174.53 × 446,618.78
  4. Step 4: Simplify right side
    606,362.46x = 406,501,038,175.67
  5. Step 5: Solve for x
    x = 406,501,038,175.67/606,362.46
  6. Step 6: Final answer
    x = 670,392.82

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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.