Home / 808,164.86-1,212,253.34-358,764.91

Finding the Fourth Proportional to 808,164.86, 1,212,253.34 and 358,764.91

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Solution

The fourth proportional to 808,164.86, 1,212,253.34 and 358,764.91 is: 538,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,164.86 : 1,212,253.34 = 358,764.91 : x
  2. Step 2: Convert to fraction form
    808,164.86/1,212,253.34 = 358,764.91/x
  3. Step 3: Cross multiply
    808,164.86x = 1,212,253.34 × 358,764.91
  4. Step 4: Simplify right side
    808,164.86x = 434,913,958,628.48
  5. Step 5: Solve for x
    x = 434,913,958,628.48/808,164.86
  6. Step 6: Final answer
    x = 538,150.05

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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.