Home / 736,719.71-1,105,213.42-304,438.20

Finding the Fourth Proportional to 736,719.71, 1,105,213.42 and 304,438.20

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Solution

The fourth proportional to 736,719.71, 1,105,213.42 and 304,438.20 is: 456,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,719.71 : 1,105,213.42 = 304,438.20 : x
  2. Step 2: Convert to fraction form
    736,719.71/1,105,213.42 = 304,438.20/x
  3. Step 3: Cross multiply
    736,719.71x = 1,105,213.42 × 304,438.20
  4. Step 4: Simplify right side
    736,719.71x = 336,469,186,202.58
  5. Step 5: Solve for x
    x = 336,469,186,202.58/736,719.71
  6. Step 6: Final answer
    x = 456,712.62

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Half scale
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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.