Home / 856,096.32-1,284,229.36-316,494

Finding the Fourth Proportional to 856,096.32, 1,284,229.36 and 316,494

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Solution

The fourth proportional to 856,096.32, 1,284,229.36 and 316,494 is: 474,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,096.32 : 1,284,229.36 = 316,494 : x
  2. Step 2: Convert to fraction form
    856,096.32/1,284,229.36 = 316,494/x
  3. Step 3: Cross multiply
    856,096.32x = 1,284,229.36 × 316,494
  4. Step 4: Simplify right side
    856,096.32x = 406,450,887,063.84
  5. Step 5: Solve for x
    x = 406,450,887,063.84/856,096.32
  6. Step 6: Final answer
    x = 474,772.38

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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.