Home / 892,918.89-1,232,243.08-485,021.52

Finding the Fourth Proportional to 892,918.89, 1,232,243.08 and 485,021.52

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Solution

The fourth proportional to 892,918.89, 1,232,243.08 and 485,021.52 is: 669,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,918.89 : 1,232,243.08 = 485,021.52 : x
  2. Step 2: Convert to fraction form
    892,918.89/1,232,243.08 = 485,021.52/x
  3. Step 3: Cross multiply
    892,918.89x = 1,232,243.08 × 485,021.52
  4. Step 4: Simplify right side
    892,918.89x = 597,664,410,458.53
  5. Step 5: Solve for x
    x = 597,664,410,458.53/892,918.89
  6. Step 6: Final answer
    x = 669,337.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.