Home / 724,346.83-1,086,540.80-191,867.91

Finding the Fourth Proportional to 724,346.83, 1,086,540.80 and 191,867.91

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Solution

The fourth proportional to 724,346.83, 1,086,540.80 and 191,867.91 is: 287,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,346.83 : 1,086,540.80 = 191,867.91 : x
  2. Step 2: Convert to fraction form
    724,346.83/1,086,540.80 = 191,867.91/x
  3. Step 3: Cross multiply
    724,346.83x = 1,086,540.80 × 191,867.91
  4. Step 4: Simplify right side
    724,346.83x = 208,472,312,425.73
  5. Step 5: Solve for x
    x = 208,472,312,425.73/724,346.83
  6. Step 6: Final answer
    x = 287,807.31

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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.