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Finding the Fourth Proportional to 577,703.76, 797,216.27 and 319,573.98

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Solution

The fourth proportional to 577,703.76, 797,216.27 and 319,573.98 is: 441,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,703.76 : 797,216.27 = 319,573.98 : x
  2. Step 2: Convert to fraction form
    577,703.76/797,216.27 = 319,573.98/x
  3. Step 3: Cross multiply
    577,703.76x = 797,216.27 × 319,573.98
  4. Step 4: Simplify right side
    577,703.76x = 254,769,570,740.70
  5. Step 5: Solve for x
    x = 254,769,570,740.70/577,703.76
  6. Step 6: Final answer
    x = 441,003.83

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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.