Home / 914,760.78-1,372,016.59-240,785.64

Finding the Fourth Proportional to 914,760.78, 1,372,016.59 and 240,785.64

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Solution

The fourth proportional to 914,760.78, 1,372,016.59 and 240,785.64 is: 361,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,760.78 : 1,372,016.59 = 240,785.64 : x
  2. Step 2: Convert to fraction form
    914,760.78/1,372,016.59 = 240,785.64/x
  3. Step 3: Cross multiply
    914,760.78x = 1,372,016.59 × 240,785.64
  4. Step 4: Simplify right side
    914,760.78x = 330,361,892,111.80
  5. Step 5: Solve for x
    x = 330,361,892,111.80/914,760.78
  6. Step 6: Final answer
    x = 361,145.67

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Double scale
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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.