Home / 934,763.42-1,401,584.73-428,690.54

Finding the Fourth Proportional to 934,763.42, 1,401,584.73 and 428,690.54

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Solution

The fourth proportional to 934,763.42, 1,401,584.73 and 428,690.54 is: 642,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,763.42 : 1,401,584.73 = 428,690.54 : x
  2. Step 2: Convert to fraction form
    934,763.42/1,401,584.73 = 428,690.54/x
  3. Step 3: Cross multiply
    934,763.42x = 1,401,584.73 × 428,690.54
  4. Step 4: Simplify right side
    934,763.42x = 600,846,114,759.45
  5. Step 5: Solve for x
    x = 600,846,114,759.45/934,763.42
  6. Step 6: Final answer
    x = 642,778.81

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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.