Home / 3,275,090.60-4,911,959.30-878,365.50

Finding the Fourth Proportional to 3,275,090.60, 4,911,959.30 and 878,365.50

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Solution

The fourth proportional to 3,275,090.60, 4,911,959.30 and 878,365.50 is: 1,317,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275,090.60 : 4,911,959.30 = 878,365.50 : x
  2. Step 2: Convert to fraction form
    3,275,090.60/4,911,959.30 = 878,365.50/x
  3. Step 3: Cross multiply
    3,275,090.60x = 4,911,959.30 × 878,365.50
  4. Step 4: Simplify right side
    3,275,090.60x = 4,314,495,582,132.32
  5. Step 5: Solve for x
    x = 4,314,495,582,132.32/3,275,090.60
  6. Step 6: Final answer
    x = 1,317,366.79

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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.