Home / 806,460.60-1,209,865.88-245,480.52

Finding the Fourth Proportional to 806,460.60, 1,209,865.88 and 245,480.52

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Solution

The fourth proportional to 806,460.60, 1,209,865.88 and 245,480.52 is: 368,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,460.60 : 1,209,865.88 = 245,480.52 : x
  2. Step 2: Convert to fraction form
    806,460.60/1,209,865.88 = 245,480.52/x
  3. Step 3: Cross multiply
    806,460.60x = 1,209,865.88 × 245,480.52
  4. Step 4: Simplify right side
    806,460.60x = 296,998,505,352.66
  5. Step 5: Solve for x
    x = 296,998,505,352.66/806,460.60
  6. Step 6: Final answer
    x = 368,274.04

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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.