Home / 856,324.32-1,284,666.72-323,833.44

Finding the Fourth Proportional to 856,324.32, 1,284,666.72 and 323,833.44

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Solution

The fourth proportional to 856,324.32, 1,284,666.72 and 323,833.44 is: 485,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,324.32 : 1,284,666.72 = 323,833.44 : x
  2. Step 2: Convert to fraction form
    856,324.32/1,284,666.72 = 323,833.44/x
  3. Step 3: Cross multiply
    856,324.32x = 1,284,666.72 × 323,833.44
  4. Step 4: Simplify right side
    856,324.32x = 416,018,043,191.12
  5. Step 5: Solve for x
    x = 416,018,043,191.12/856,324.32
  6. Step 6: Final answer
    x = 485,818.32

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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.