Home / 499,280.88-689,007.96-272,926.44

Finding the Fourth Proportional to 499,280.88, 689,007.96 and 272,926.44

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Solution

The fourth proportional to 499,280.88, 689,007.96 and 272,926.44 is: 376,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,280.88 : 689,007.96 = 272,926.44 : x
  2. Step 2: Convert to fraction form
    499,280.88/689,007.96 = 272,926.44/x
  3. Step 3: Cross multiply
    499,280.88x = 689,007.96 × 272,926.44
  4. Step 4: Simplify right side
    499,280.88x = 188,048,489,654.46
  5. Step 5: Solve for x
    x = 188,048,489,654.46/499,280.88
  6. Step 6: Final answer
    x = 376,638.68

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1.5x scale

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.