Home / 800,291.52-1,200,774.24-350,780.40

Finding the Fourth Proportional to 800,291.52, 1,200,774.24 and 350,780.40

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Solution

The fourth proportional to 800,291.52, 1,200,774.24 and 350,780.40 is: 526,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,291.52 : 1,200,774.24 = 350,780.40 : x
  2. Step 2: Convert to fraction form
    800,291.52/1,200,774.24 = 350,780.40/x
  3. Step 3: Cross multiply
    800,291.52x = 1,200,774.24 × 350,780.40
  4. Step 4: Simplify right side
    800,291.52x = 421,208,068,216.90
  5. Step 5: Solve for x
    x = 421,208,068,216.90/800,291.52
  6. Step 6: Final answer
    x = 526,318.29

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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.