Home / 881,377.60-1,321,807.20-348,721.60

Finding the Fourth Proportional to 881,377.60, 1,321,807.20 and 348,721.60

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Solution

The fourth proportional to 881,377.60, 1,321,807.20 and 348,721.60 is: 522,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,377.60 : 1,321,807.20 = 348,721.60 : x
  2. Step 2: Convert to fraction form
    881,377.60/1,321,807.20 = 348,721.60/x
  3. Step 3: Cross multiply
    881,377.60x = 1,321,807.20 × 348,721.60
  4. Step 4: Simplify right side
    881,377.60x = 460,942,721,675.52
  5. Step 5: Solve for x
    x = 460,942,721,675.52/881,377.60
  6. Step 6: Final answer
    x = 522,979.85

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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.