Home / 694,911.60-1,042,367.40-245,628.90

Finding the Fourth Proportional to 694,911.60, 1,042,367.40 and 245,628.90

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Solution

The fourth proportional to 694,911.60, 1,042,367.40 and 245,628.90 is: 368,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,911.60 : 1,042,367.40 = 245,628.90 : x
  2. Step 2: Convert to fraction form
    694,911.60/1,042,367.40 = 245,628.90/x
  3. Step 3: Cross multiply
    694,911.60x = 1,042,367.40 × 245,628.90
  4. Step 4: Simplify right side
    694,911.60x = 256,035,557,857.86
  5. Step 5: Solve for x
    x = 256,035,557,857.86/694,911.60
  6. Step 6: Final answer
    x = 368,443.35

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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.