Home / 806,654.20-1,209,981.68-332,818.78

Finding the Fourth Proportional to 806,654.20, 1,209,981.68 and 332,818.78

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Solution

The fourth proportional to 806,654.20, 1,209,981.68 and 332,818.78 is: 499,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,654.20 : 1,209,981.68 = 332,818.78 : x
  2. Step 2: Convert to fraction form
    806,654.20/1,209,981.68 = 332,818.78/x
  3. Step 3: Cross multiply
    806,654.20x = 1,209,981.68 × 332,818.78
  4. Step 4: Simplify right side
    806,654.20x = 402,704,621,342.09
  5. Step 5: Solve for x
    x = 402,704,621,342.09/806,654.20
  6. Step 6: Final answer
    x = 499,228.32

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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.