Home / 905,883.71-1,358,790.07-306,844.85

Finding the Fourth Proportional to 905,883.71, 1,358,790.07 and 306,844.85

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Solution

The fourth proportional to 905,883.71, 1,358,790.07 and 306,844.85 is: 460,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,883.71 : 1,358,790.07 = 306,844.85 : x
  2. Step 2: Convert to fraction form
    905,883.71/1,358,790.07 = 306,844.85/x
  3. Step 3: Cross multiply
    905,883.71x = 1,358,790.07 × 306,844.85
  4. Step 4: Simplify right side
    905,883.71x = 416,937,733,676.42
  5. Step 5: Solve for x
    x = 416,937,733,676.42/905,883.71
  6. Step 6: Final answer
    x = 460,255.25

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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.