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Finding the Fourth Proportional to 577,967.94, 797,583.78 and 319,844.79

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Solution

The fourth proportional to 577,967.94, 797,583.78 and 319,844.79 is: 441,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,967.94 : 797,583.78 = 319,844.79 : x
  2. Step 2: Convert to fraction form
    577,967.94/797,583.78 = 319,844.79/x
  3. Step 3: Cross multiply
    577,967.94x = 797,583.78 × 319,844.79
  4. Step 4: Simplify right side
    577,967.94x = 255,103,016,621.51
  5. Step 5: Solve for x
    x = 255,103,016,621.51/577,967.94
  6. Step 6: Final answer
    x = 441,379.18

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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.