Home / 1,231.60-1,847.36-500.98

Finding the Fourth Proportional to 1,231.60, 1,847.36 and 500.98

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Solution

The fourth proportional to 1,231.60, 1,847.36 and 500.98 is: 751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.60 : 1,847.36 = 500.98 : x
  2. Step 2: Convert to fraction form
    1,231.60/1,847.36 = 500.98/x
  3. Step 3: Cross multiply
    1,231.60x = 1,847.36 × 500.98
  4. Step 4: Simplify right side
    1,231.60x = 925,490.41
  5. Step 5: Solve for x
    x = 925,490.41/1,231.60
  6. Step 6: Final answer
    x = 751.45

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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.