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Finding the Fourth Proportional to 603,394.64, 905,080.08 and 243,555.92

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Solution

The fourth proportional to 603,394.64, 905,080.08 and 243,555.92 is: 365,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,394.64 : 905,080.08 = 243,555.92 : x
  2. Step 2: Convert to fraction form
    603,394.64/905,080.08 = 243,555.92/x
  3. Step 3: Cross multiply
    603,394.64x = 905,080.08 × 243,555.92
  4. Step 4: Simplify right side
    603,394.64x = 220,437,611,558.07
  5. Step 5: Solve for x
    x = 220,437,611,558.07/603,394.64
  6. Step 6: Final answer
    x = 365,329.08

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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.