Home / 603,452.10-905,688.45-248,720.70

Finding the Fourth Proportional to 603,452.10, 905,688.45 and 248,720.70

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Solution

The fourth proportional to 603,452.10, 905,688.45 and 248,720.70 is: 373,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,452.10 : 905,688.45 = 248,720.70 : x
  2. Step 2: Convert to fraction form
    603,452.10/905,688.45 = 248,720.70/x
  3. Step 3: Cross multiply
    603,452.10x = 905,688.45 × 248,720.70
  4. Step 4: Simplify right side
    603,452.10x = 225,263,465,265.92
  5. Step 5: Solve for x
    x = 225,263,465,265.92/603,452.10
  6. Step 6: Final answer
    x = 373,291.38

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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.