Home / 603,449.10-904,136.85-318,717.90

Finding the Fourth Proportional to 603,449.10, 904,136.85 and 318,717.90

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Solution

The fourth proportional to 603,449.10, 904,136.85 and 318,717.90 is: 477,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,449.10 : 904,136.85 = 318,717.90 : x
  2. Step 2: Convert to fraction form
    603,449.10/904,136.85 = 318,717.90/x
  3. Step 3: Cross multiply
    603,449.10x = 904,136.85 × 318,717.90
  4. Step 4: Simplify right side
    603,449.10x = 288,164,598,144.62
  5. Step 5: Solve for x
    x = 288,164,598,144.62/603,449.10
  6. Step 6: Final answer
    x = 477,529.25

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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.