Home / 736,783.19-1,105,174.78-263,439.84

Finding the Fourth Proportional to 736,783.19, 1,105,174.78 and 263,439.84

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Solution

The fourth proportional to 736,783.19, 1,105,174.78 and 263,439.84 is: 395,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,783.19 : 1,105,174.78 = 263,439.84 : x
  2. Step 2: Convert to fraction form
    736,783.19/1,105,174.78 = 263,439.84/x
  3. Step 3: Cross multiply
    736,783.19x = 1,105,174.78 × 263,439.84
  4. Step 4: Simplify right side
    736,783.19x = 291,147,067,215.24
  5. Step 5: Solve for x
    x = 291,147,067,215.24/736,783.19
  6. Step 6: Final answer
    x = 395,159.76

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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.