Home / 488,784.10-733,139.70-204,401.20

Finding the Fourth Proportional to 488,784.10, 733,139.70 and 204,401.20

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Solution

The fourth proportional to 488,784.10, 733,139.70 and 204,401.20 is: 306,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,784.10 : 733,139.70 = 204,401.20 : x
  2. Step 2: Convert to fraction form
    488,784.10/733,139.70 = 204,401.20/x
  3. Step 3: Cross multiply
    488,784.10x = 733,139.70 × 204,401.20
  4. Step 4: Simplify right side
    488,784.10x = 149,854,634,447.64
  5. Step 5: Solve for x
    x = 149,854,634,447.64/488,784.10
  6. Step 6: Final answer
    x = 306,586.56

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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.