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Finding the Fourth Proportional to 603,425.57, 905,124.24 and 303,825.74

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Solution

The fourth proportional to 603,425.57, 905,124.24 and 303,825.74 is: 455,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,425.57 : 905,124.24 = 303,825.74 : x
  2. Step 2: Convert to fraction form
    603,425.57/905,124.24 = 303,825.74/x
  3. Step 3: Cross multiply
    603,425.57x = 905,124.24 × 303,825.74
  4. Step 4: Simplify right side
    603,425.57x = 275,000,037,484.32
  5. Step 5: Solve for x
    x = 275,000,037,484.32/603,425.57
  6. Step 6: Final answer
    x = 455,731.50

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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.