Home / 783,239.96-1,080,789.93-460,930.83

Finding the Fourth Proportional to 783,239.96, 1,080,789.93 and 460,930.83

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Solution

The fourth proportional to 783,239.96, 1,080,789.93 and 460,930.83 is: 636,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,239.96 : 1,080,789.93 = 460,930.83 : x
  2. Step 2: Convert to fraction form
    783,239.96/1,080,789.93 = 460,930.83/x
  3. Step 3: Cross multiply
    783,239.96x = 1,080,789.93 × 460,930.83
  4. Step 4: Simplify right side
    783,239.96x = 498,169,399,490.54
  5. Step 5: Solve for x
    x = 498,169,399,490.54/783,239.96
  6. Step 6: Final answer
    x = 636,036.76

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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.