Home / 899,181.89-1,240,856.53-491,274.97

Finding the Fourth Proportional to 899,181.89, 1,240,856.53 and 491,274.97

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Solution

The fourth proportional to 899,181.89, 1,240,856.53 and 491,274.97 is: 677,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,181.89 : 1,240,856.53 = 491,274.97 : x
  2. Step 2: Convert to fraction form
    899,181.89/1,240,856.53 = 491,274.97/x
  3. Step 3: Cross multiply
    899,181.89x = 1,240,856.53 × 491,274.97
  4. Step 4: Simplify right side
    899,181.89x = 609,601,750,219.73
  5. Step 5: Solve for x
    x = 609,601,750,219.73/899,181.89
  6. Step 6: Final answer
    x = 677,951.54

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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.