Home / 917,761.80-1,376,637.20-356,796.30

Finding the Fourth Proportional to 917,761.80, 1,376,637.20 and 356,796.30

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Solution

The fourth proportional to 917,761.80, 1,376,637.20 and 356,796.30 is: 535,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,761.80 : 1,376,637.20 = 356,796.30 : x
  2. Step 2: Convert to fraction form
    917,761.80/1,376,637.20 = 356,796.30/x
  3. Step 3: Cross multiply
    917,761.80x = 1,376,637.20 × 356,796.30
  4. Step 4: Simplify right side
    917,761.80x = 491,179,059,402.36
  5. Step 5: Solve for x
    x = 491,179,059,402.36/917,761.80
  6. Step 6: Final answer
    x = 535,192.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.