Home / 483,948.10-726,181.35-203,493.70

Finding the Fourth Proportional to 483,948.10, 726,181.35 and 203,493.70

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Solution

The fourth proportional to 483,948.10, 726,181.35 and 203,493.70 is: 305,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,948.10 : 726,181.35 = 203,493.70 : x
  2. Step 2: Convert to fraction form
    483,948.10/726,181.35 = 203,493.70/x
  3. Step 3: Cross multiply
    483,948.10x = 726,181.35 × 203,493.70
  4. Step 4: Simplify right side
    483,948.10x = 147,773,329,782.50
  5. Step 5: Solve for x
    x = 147,773,329,782.50/483,948.10
  6. Step 6: Final answer
    x = 305,349.54

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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.