Home / 881,380.60-1,321,811.70-348,724.60

Finding the Fourth Proportional to 881,380.60, 1,321,811.70 and 348,724.60

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Solution

The fourth proportional to 881,380.60, 1,321,811.70 and 348,724.60 is: 522,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,380.60 : 1,321,811.70 = 348,724.60 : x
  2. Step 2: Convert to fraction form
    881,380.60/1,321,811.70 = 348,724.60/x
  3. Step 3: Cross multiply
    881,380.60x = 1,321,811.70 × 348,724.60
  4. Step 4: Simplify right side
    881,380.60x = 460,948,256,357.82
  5. Step 5: Solve for x
    x = 460,948,256,357.82/881,380.60
  6. Step 6: Final answer
    x = 522,984.35

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1.5x scale

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.