Home / 856,740.34-1,284,689.31-351,164.26

Finding the Fourth Proportional to 856,740.34, 1,284,689.31 and 351,164.26

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Solution

The fourth proportional to 856,740.34, 1,284,689.31 and 351,164.26 is: 526,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,740.34 : 1,284,689.31 = 351,164.26 : x
  2. Step 2: Convert to fraction form
    856,740.34/1,284,689.31 = 351,164.26/x
  3. Step 3: Cross multiply
    856,740.34x = 1,284,689.31 × 351,164.26
  4. Step 4: Simplify right side
    856,740.34x = 451,136,970,876.06
  5. Step 5: Solve for x
    x = 451,136,970,876.06/856,740.34
  6. Step 6: Final answer
    x = 526,573.75

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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.