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Finding the Fourth Proportional to 577,313.53, 796,678.91 and 322,688.41

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Solution

The fourth proportional to 577,313.53, 796,678.91 and 322,688.41 is: 445,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,313.53 : 796,678.91 = 322,688.41 : x
  2. Step 2: Convert to fraction form
    577,313.53/796,678.91 = 322,688.41/x
  3. Step 3: Cross multiply
    577,313.53x = 796,678.91 × 322,688.41
  4. Step 4: Simplify right side
    577,313.53x = 257,079,048,353.38
  5. Step 5: Solve for x
    x = 257,079,048,353.38/577,313.53
  6. Step 6: Final answer
    x = 445,302.31

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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.