Home / 997,781.31-1,376,935.88-545,075.55

Finding the Fourth Proportional to 997,781.31, 1,376,935.88 and 545,075.55

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Solution

The fourth proportional to 997,781.31, 1,376,935.88 and 545,075.55 is: 752,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,781.31 : 1,376,935.88 = 545,075.55 : x
  2. Step 2: Convert to fraction form
    997,781.31/1,376,935.88 = 545,075.55/x
  3. Step 3: Cross multiply
    997,781.31x = 1,376,935.88 × 545,075.55
  4. Step 4: Simplify right side
    997,781.31x = 750,534,079,380.36
  5. Step 5: Solve for x
    x = 750,534,079,380.36/997,781.31
  6. Step 6: Final answer
    x = 752,202.98

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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.