Home / 905,885.71-1,358,793.06-306,846.85

Finding the Fourth Proportional to 905,885.71, 1,358,793.06 and 306,846.85

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Solution

The fourth proportional to 905,885.71, 1,358,793.06 and 306,846.85 is: 460,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,885.71 : 1,358,793.06 = 306,846.85 : x
  2. Step 2: Convert to fraction form
    905,885.71/1,358,793.06 = 306,846.85/x
  3. Step 3: Cross multiply
    905,885.71x = 1,358,793.06 × 306,846.85
  4. Step 4: Simplify right side
    905,885.71x = 416,941,370,262.86
  5. Step 5: Solve for x
    x = 416,941,370,262.86/905,885.71
  6. Step 6: Final answer
    x = 460,258.25

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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.