Home / 698,009.69-1,046,889.78-185,677.61

Finding the Fourth Proportional to 698,009.69, 1,046,889.78 and 185,677.61

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Solution

The fourth proportional to 698,009.69, 1,046,889.78 and 185,677.61 is: 278,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,009.69 : 1,046,889.78 = 185,677.61 : x
  2. Step 2: Convert to fraction form
    698,009.69/1,046,889.78 = 185,677.61/x
  3. Step 3: Cross multiply
    698,009.69x = 1,046,889.78 × 185,677.61
  4. Step 4: Simplify right side
    698,009.69x = 194,383,987,049.38
  5. Step 5: Solve for x
    x = 194,383,987,049.38/698,009.69
  6. Step 6: Final answer
    x = 278,483.22

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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.