Home / 694,814.09-1,042,305.20-245,443.01

Finding the Fourth Proportional to 694,814.09, 1,042,305.20 and 245,443.01

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Solution

The fourth proportional to 694,814.09, 1,042,305.20 and 245,443.01 is: 368,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,814.09 : 1,042,305.20 = 245,443.01 : x
  2. Step 2: Convert to fraction form
    694,814.09/1,042,305.20 = 245,443.01/x
  3. Step 3: Cross multiply
    694,814.09x = 1,042,305.20 × 245,443.01
  4. Step 4: Simplify right side
    694,814.09x = 255,826,519,187.91
  5. Step 5: Solve for x
    x = 255,826,519,187.91/694,814.09
  6. Step 6: Final answer
    x = 368,194.20

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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.