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Finding the Fourth Proportional to 577,070.09, 796,340.40 and 322,421.30

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Solution

The fourth proportional to 577,070.09, 796,340.40 and 322,421.30 is: 444,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,070.09 : 796,340.40 = 322,421.30 : x
  2. Step 2: Convert to fraction form
    577,070.09/796,340.40 = 322,421.30/x
  3. Step 3: Cross multiply
    577,070.09x = 796,340.40 × 322,421.30
  4. Step 4: Simplify right side
    577,070.09x = 256,757,107,010.52
  5. Step 5: Solve for x
    x = 256,757,107,010.52/577,070.09
  6. Step 6: Final answer
    x = 444,932.27

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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.