Home / 629,234.64-943,281.56-313,788.24

Finding the Fourth Proportional to 629,234.64, 943,281.56 and 313,788.24

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Solution

The fourth proportional to 629,234.64, 943,281.56 and 313,788.24 is: 470,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,234.64 : 943,281.56 = 313,788.24 : x
  2. Step 2: Convert to fraction form
    629,234.64/943,281.56 = 313,788.24/x
  3. Step 3: Cross multiply
    629,234.64x = 943,281.56 × 313,788.24
  4. Step 4: Simplify right side
    629,234.64x = 295,990,660,536.85
  5. Step 5: Solve for x
    x = 295,990,660,536.85/629,234.64
  6. Step 6: Final answer
    x = 470,397.91

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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.