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Finding the Fourth Proportional to 603,405.60, 905,094.37 and 303,805.73

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Solution

The fourth proportional to 603,405.60, 905,094.37 and 303,805.73 is: 455,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,405.60 : 905,094.37 = 303,805.73 : x
  2. Step 2: Convert to fraction form
    603,405.60/905,094.37 = 303,805.73/x
  3. Step 3: Cross multiply
    603,405.60x = 905,094.37 × 303,805.73
  4. Step 4: Simplify right side
    603,405.60x = 274,972,854,277.71
  5. Step 5: Solve for x
    x = 274,972,854,277.71/603,405.60
  6. Step 6: Final answer
    x = 455,701.53

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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.