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Finding the Fourth Proportional to 577,313.95, 796,679.49 and 322,688.83

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Solution

The fourth proportional to 577,313.95, 796,679.49 and 322,688.83 is: 445,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,313.95 : 796,679.49 = 322,688.83 : x
  2. Step 2: Convert to fraction form
    577,313.95/796,679.49 = 322,688.83/x
  3. Step 3: Cross multiply
    577,313.95x = 796,679.49 × 322,688.83
  4. Step 4: Simplify right side
    577,313.95x = 257,079,572,317.69
  5. Step 5: Solve for x
    x = 257,079,572,317.69/577,313.95
  6. Step 6: Final answer
    x = 445,302.89

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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.