Home / 808,034.76-1,212,409.19-423,691.84

Finding the Fourth Proportional to 808,034.76, 1,212,409.19 and 423,691.84

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Solution

The fourth proportional to 808,034.76, 1,212,409.19 and 423,691.84 is: 635,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,034.76 : 1,212,409.19 = 423,691.84 : x
  2. Step 2: Convert to fraction form
    808,034.76/1,212,409.19 = 423,691.84/x
  3. Step 3: Cross multiply
    808,034.76x = 1,212,409.19 × 423,691.84
  4. Step 4: Simplify right side
    808,034.76x = 513,687,872,363.51
  5. Step 5: Solve for x
    x = 513,687,872,363.51/808,034.76
  6. Step 6: Final answer
    x = 635,724.97

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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.