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Finding the Fourth Proportional to 360,785.80, 542,490.90 and 352,912.60

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Solution

The fourth proportional to 360,785.80, 542,490.90 and 352,912.60 is: 530,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,785.80 : 542,490.90 = 352,912.60 : x
  2. Step 2: Convert to fraction form
    360,785.80/542,490.90 = 352,912.60/x
  3. Step 3: Cross multiply
    360,785.80x = 542,490.90 × 352,912.60
  4. Step 4: Simplify right side
    360,785.80x = 191,451,873,995.34
  5. Step 5: Solve for x
    x = 191,451,873,995.34/360,785.80
  6. Step 6: Final answer
    x = 530,652.46

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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.