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Finding the Fourth Proportional to 577,313.25, 796,678.52 and 322,688.13

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Solution

The fourth proportional to 577,313.25, 796,678.52 and 322,688.13 is: 445,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,313.25 : 796,678.52 = 322,688.13 : x
  2. Step 2: Convert to fraction form
    577,313.25/796,678.52 = 322,688.13/x
  3. Step 3: Cross multiply
    577,313.25x = 796,678.52 × 322,688.13
  4. Step 4: Simplify right side
    577,313.25x = 257,078,699,044.10
  5. Step 5: Solve for x
    x = 257,078,699,044.10/577,313.25
  6. Step 6: Final answer
    x = 445,301.92

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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.