Home / 806,646.79-1,209,970.59-332,811.37

Finding the Fourth Proportional to 806,646.79, 1,209,970.59 and 332,811.37

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Solution

The fourth proportional to 806,646.79, 1,209,970.59 and 332,811.37 is: 499,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,646.79 : 1,209,970.59 = 332,811.37 : x
  2. Step 2: Convert to fraction form
    806,646.79/1,209,970.59 = 332,811.37/x
  3. Step 3: Cross multiply
    806,646.79x = 1,209,970.59 × 332,811.37
  4. Step 4: Simplify right side
    806,646.79x = 402,691,969,717.61
  5. Step 5: Solve for x
    x = 402,691,969,717.61/806,646.79
  6. Step 6: Final answer
    x = 499,217.22

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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.