Home / 856,789.60-1,284,820.08-351,001.12

Finding the Fourth Proportional to 856,789.60, 1,284,820.08 and 351,001.12

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Solution

The fourth proportional to 856,789.60, 1,284,820.08 and 351,001.12 is: 526,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,789.60 : 1,284,820.08 = 351,001.12 : x
  2. Step 2: Convert to fraction form
    856,789.60/1,284,820.08 = 351,001.12/x
  3. Step 3: Cross multiply
    856,789.60x = 1,284,820.08 × 351,001.12
  4. Step 4: Simplify right side
    856,789.60x = 450,973,287,078.49
  5. Step 5: Solve for x
    x = 450,973,287,078.49/856,789.60
  6. Step 6: Final answer
    x = 526,352.43

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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.