Home / 694,776.80-1,042,165.20-410,175.20

Finding the Fourth Proportional to 694,776.80, 1,042,165.20 and 410,175.20

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Solution

The fourth proportional to 694,776.80, 1,042,165.20 and 410,175.20 is: 615,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,776.80 : 1,042,165.20 = 410,175.20 : x
  2. Step 2: Convert to fraction form
    694,776.80/1,042,165.20 = 410,175.20/x
  3. Step 3: Cross multiply
    694,776.80x = 1,042,165.20 × 410,175.20
  4. Step 4: Simplify right side
    694,776.80x = 427,470,319,343.04
  5. Step 5: Solve for x
    x = 427,470,319,343.04/694,776.80
  6. Step 6: Final answer
    x = 615,262.80

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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.