Home / 498,954.56-688,525.08-272,599.88

Finding the Fourth Proportional to 498,954.56, 688,525.08 and 272,599.88

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Solution

The fourth proportional to 498,954.56, 688,525.08 and 272,599.88 is: 376,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,954.56 : 688,525.08 = 272,599.88 : x
  2. Step 2: Convert to fraction form
    498,954.56/688,525.08 = 272,599.88/x
  3. Step 3: Cross multiply
    498,954.56x = 688,525.08 × 272,599.88
  4. Step 4: Simplify right side
    498,954.56x = 187,691,854,184.99
  5. Step 5: Solve for x
    x = 187,691,854,184.99/498,954.56
  6. Step 6: Final answer
    x = 376,170.24

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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.