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Finding the Fourth Proportional to 577,051.97, 796,362.03 and 347,681.30

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Solution

The fourth proportional to 577,051.97, 796,362.03 and 347,681.30 is: 479,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,051.97 : 796,362.03 = 347,681.30 : x
  2. Step 2: Convert to fraction form
    577,051.97/796,362.03 = 347,681.30/x
  3. Step 3: Cross multiply
    577,051.97x = 796,362.03 × 347,681.30
  4. Step 4: Simplify right side
    577,051.97x = 276,880,181,879.23
  5. Step 5: Solve for x
    x = 276,880,181,879.23/577,051.97
  6. Step 6: Final answer
    x = 479,818.45

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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.