Home / 998,075.81-1,497,120.20-399,087.29

Finding the Fourth Proportional to 998,075.81, 1,497,120.20 and 399,087.29

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Solution

The fourth proportional to 998,075.81, 1,497,120.20 and 399,087.29 is: 598,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,075.81 : 1,497,120.20 = 399,087.29 : x
  2. Step 2: Convert to fraction form
    998,075.81/1,497,120.20 = 399,087.29/x
  3. Step 3: Cross multiply
    998,075.81x = 1,497,120.20 × 399,087.29
  4. Step 4: Simplify right side
    998,075.81x = 597,481,643,422.26
  5. Step 5: Solve for x
    x = 597,481,643,422.26/998,075.81
  6. Step 6: Final answer
    x = 598,633.53

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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.