Home / 806,902.52-1,209,793.26-357,378.44

Finding the Fourth Proportional to 806,902.52, 1,209,793.26 and 357,378.44

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Solution

The fourth proportional to 806,902.52, 1,209,793.26 and 357,378.44 is: 535,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,902.52 : 1,209,793.26 = 357,378.44 : x
  2. Step 2: Convert to fraction form
    806,902.52/1,209,793.26 = 357,378.44/x
  3. Step 3: Cross multiply
    806,902.52x = 1,209,793.26 × 357,378.44
  4. Step 4: Simplify right side
    806,902.52x = 432,354,027,981.31
  5. Step 5: Solve for x
    x = 432,354,027,981.31/806,902.52
  6. Step 6: Final answer
    x = 535,819.40

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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.