Home / 881,376.60-1,321,805.70-348,720.60

Finding the Fourth Proportional to 881,376.60, 1,321,805.70 and 348,720.60

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Solution

The fourth proportional to 881,376.60, 1,321,805.70 and 348,720.60 is: 522,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,376.60 : 1,321,805.70 = 348,720.60 : x
  2. Step 2: Convert to fraction form
    881,376.60/1,321,805.70 = 348,720.60/x
  3. Step 3: Cross multiply
    881,376.60x = 1,321,805.70 × 348,720.60
  4. Step 4: Simplify right side
    881,376.60x = 460,940,876,787.42
  5. Step 5: Solve for x
    x = 460,940,876,787.42/881,376.60
  6. Step 6: Final answer
    x = 522,978.35

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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.