Home / 694,640-1,042,095.36-295,276.16

Finding the Fourth Proportional to 694,640, 1,042,095.36 and 295,276.16

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Solution

The fourth proportional to 694,640, 1,042,095.36 and 295,276.16 is: 442,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,640 : 1,042,095.36 = 295,276.16 : x
  2. Step 2: Convert to fraction form
    694,640/1,042,095.36 = 295,276.16/x
  3. Step 3: Cross multiply
    694,640x = 1,042,095.36 × 295,276.16
  4. Step 4: Simplify right side
    694,640x = 307,705,916,254.62
  5. Step 5: Solve for x
    x = 307,705,916,254.62/694,640
  6. Step 6: Final answer
    x = 442,971.78

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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.