Home / 493,723.86-681,146.03-286,957.89

Finding the Fourth Proportional to 493,723.86, 681,146.03 and 286,957.89

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Solution

The fourth proportional to 493,723.86, 681,146.03 and 286,957.89 is: 395,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,723.86 : 681,146.03 = 286,957.89 : x
  2. Step 2: Convert to fraction form
    493,723.86/681,146.03 = 286,957.89/x
  3. Step 3: Cross multiply
    493,723.86x = 681,146.03 × 286,957.89
  4. Step 4: Simplify right side
    493,723.86x = 195,460,227,550.68
  5. Step 5: Solve for x
    x = 195,460,227,550.68/493,723.86
  6. Step 6: Final answer
    x = 395,889.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.