Home / 695,351.20-1,043,026.80-446,519.20

Finding the Fourth Proportional to 695,351.20, 1,043,026.80 and 446,519.20

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Solution

The fourth proportional to 695,351.20, 1,043,026.80 and 446,519.20 is: 669,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,351.20 : 1,043,026.80 = 446,519.20 : x
  2. Step 2: Convert to fraction form
    695,351.20/1,043,026.80 = 446,519.20/x
  3. Step 3: Cross multiply
    695,351.20x = 1,043,026.80 × 446,519.20
  4. Step 4: Simplify right side
    695,351.20x = 465,731,492,314.56
  5. Step 5: Solve for x
    x = 465,731,492,314.56/695,351.20
  6. Step 6: Final answer
    x = 669,778.80

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Double scale
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Similar ratio
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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.