Home / 499,342.86-689,093.73-272,988.36

Finding the Fourth Proportional to 499,342.86, 689,093.73 and 272,988.36

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Solution

The fourth proportional to 499,342.86, 689,093.73 and 272,988.36 is: 376,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,342.86 : 689,093.73 = 272,988.36 : x
  2. Step 2: Convert to fraction form
    499,342.86/689,093.73 = 272,988.36/x
  3. Step 3: Cross multiply
    499,342.86x = 689,093.73 × 272,988.36
  4. Step 4: Simplify right side
    499,342.86x = 188,114,567,238.98
  5. Step 5: Solve for x
    x = 188,114,567,238.98/499,342.86
  6. Step 6: Final answer
    x = 376,724.26

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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.