Home / 751,950.48-1,127,992.20-212,211.54

Finding the Fourth Proportional to 751,950.48, 1,127,992.20 and 212,211.54

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Solution

The fourth proportional to 751,950.48, 1,127,992.20 and 212,211.54 is: 318,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,950.48 : 1,127,992.20 = 212,211.54 : x
  2. Step 2: Convert to fraction form
    751,950.48/1,127,992.20 = 212,211.54/x
  3. Step 3: Cross multiply
    751,950.48x = 1,127,992.20 × 212,211.54
  4. Step 4: Simplify right side
    751,950.48x = 239,372,961,869.99
  5. Step 5: Solve for x
    x = 239,372,961,869.99/751,950.48
  6. Step 6: Final answer
    x = 318,336.07

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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.