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Finding the Fourth Proportional to 606,785.24, 910,736.91 and 307,477.89

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Solution

The fourth proportional to 606,785.24, 910,736.91 and 307,477.89 is: 461,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,785.24 : 910,736.91 = 307,477.89 : x
  2. Step 2: Convert to fraction form
    606,785.24/910,736.91 = 307,477.89/x
  3. Step 3: Cross multiply
    606,785.24x = 910,736.91 × 307,477.89
  4. Step 4: Simplify right side
    606,785.24x = 280,031,463,431.92
  5. Step 5: Solve for x
    x = 280,031,463,431.92/606,785.24
  6. Step 6: Final answer
    x = 461,500.13

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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.