Home / 806,494.59-1,209,753.77-207,442.35

Finding the Fourth Proportional to 806,494.59, 1,209,753.77 and 207,442.35

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Solution

The fourth proportional to 806,494.59, 1,209,753.77 and 207,442.35 is: 311,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,494.59 : 1,209,753.77 = 207,442.35 : x
  2. Step 2: Convert to fraction form
    806,494.59/1,209,753.77 = 207,442.35/x
  3. Step 3: Cross multiply
    806,494.59x = 1,209,753.77 × 207,442.35
  4. Step 4: Simplify right side
    806,494.59x = 250,954,163,932.95
  5. Step 5: Solve for x
    x = 250,954,163,932.95/806,494.59
  6. Step 6: Final answer
    x = 311,166.58

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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.