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Finding the Fourth Proportional to 577,959.04, 797,584.16 and 319,846.68

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Solution

The fourth proportional to 577,959.04, 797,584.16 and 319,846.68 is: 441,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,959.04 : 797,584.16 = 319,846.68 : x
  2. Step 2: Convert to fraction form
    577,959.04/797,584.16 = 319,846.68/x
  3. Step 3: Cross multiply
    577,959.04x = 797,584.16 × 319,846.68
  4. Step 4: Simplify right side
    577,959.04x = 255,104,645,596.59
  5. Step 5: Solve for x
    x = 255,104,645,596.59/577,959.04
  6. Step 6: Final answer
    x = 441,388.80

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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.