Home / 694,821.40-1,042,620.90-295,394.20

Finding the Fourth Proportional to 694,821.40, 1,042,620.90 and 295,394.20

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Solution

The fourth proportional to 694,821.40, 1,042,620.90 and 295,394.20 is: 443,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,821.40 : 1,042,620.90 = 295,394.20 : x
  2. Step 2: Convert to fraction form
    694,821.40/1,042,620.90 = 295,394.20/x
  3. Step 3: Cross multiply
    694,821.40x = 1,042,620.90 × 295,394.20
  4. Step 4: Simplify right side
    694,821.40x = 307,984,166,658.78
  5. Step 5: Solve for x
    x = 307,984,166,658.78/694,821.40
  6. Step 6: Final answer
    x = 443,256.59

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1.5x scale

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.