Home / 603,289.20-904,933.80-445,825.20

Finding the Fourth Proportional to 603,289.20, 904,933.80 and 445,825.20

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Solution

The fourth proportional to 603,289.20, 904,933.80 and 445,825.20 is: 668,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,289.20 : 904,933.80 = 445,825.20 : x
  2. Step 2: Convert to fraction form
    603,289.20/904,933.80 = 445,825.20/x
  3. Step 3: Cross multiply
    603,289.20x = 904,933.80 × 445,825.20
  4. Step 4: Simplify right side
    603,289.20x = 403,442,292,371.76
  5. Step 5: Solve for x
    x = 403,442,292,371.76/603,289.20
  6. Step 6: Final answer
    x = 668,737.80

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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.