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Finding the Fourth Proportional to 603,975.60, 903,630.60 and 394,023.60

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Solution

The fourth proportional to 603,975.60, 903,630.60 and 394,023.60 is: 589,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,975.60 : 903,630.60 = 394,023.60 : x
  2. Step 2: Convert to fraction form
    603,975.60/903,630.60 = 394,023.60/x
  3. Step 3: Cross multiply
    603,975.60x = 903,630.60 × 394,023.60
  4. Step 4: Simplify right side
    603,975.60x = 356,051,782,082.16
  5. Step 5: Solve for x
    x = 356,051,782,082.16/603,975.60
  6. Step 6: Final answer
    x = 589,513.52

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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.