Home / 498,996.24-688,625.16-272,656.72

Finding the Fourth Proportional to 498,996.24, 688,625.16 and 272,656.72

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Solution

The fourth proportional to 498,996.24, 688,625.16 and 272,656.72 is: 376,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,996.24 : 688,625.16 = 272,656.72 : x
  2. Step 2: Convert to fraction form
    498,996.24/688,625.16 = 272,656.72/x
  3. Step 3: Cross multiply
    498,996.24x = 688,625.16 × 272,656.72
  4. Step 4: Simplify right side
    498,996.24x = 187,758,277,435.08
  5. Step 5: Solve for x
    x = 187,758,277,435.08/498,996.24
  6. Step 6: Final answer
    x = 376,271.93

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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.