Home / 781,727.96-1,171,795.32-332,162.17

Finding the Fourth Proportional to 781,727.96, 1,171,795.32 and 332,162.17

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Solution

The fourth proportional to 781,727.96, 1,171,795.32 and 332,162.17 is: 497,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,727.96 : 1,171,795.32 = 332,162.17 : x
  2. Step 2: Convert to fraction form
    781,727.96/1,171,795.32 = 332,162.17/x
  3. Step 3: Cross multiply
    781,727.96x = 1,171,795.32 × 332,162.17
  4. Step 4: Simplify right side
    781,727.96x = 389,226,076,287.04
  5. Step 5: Solve for x
    x = 389,226,076,287.04/781,727.96
  6. Step 6: Final answer
    x = 497,904.77

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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.