Home / 603,669.10-905,503.65-204,322.90

Finding the Fourth Proportional to 603,669.10, 905,503.65 and 204,322.90

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Solution

The fourth proportional to 603,669.10, 905,503.65 and 204,322.90 is: 306,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,669.10 : 905,503.65 = 204,322.90 : x
  2. Step 2: Convert to fraction form
    603,669.10/905,503.65 = 204,322.90/x
  3. Step 3: Cross multiply
    603,669.10x = 905,503.65 × 204,322.90
  4. Step 4: Simplify right side
    603,669.10x = 185,015,131,728.59
  5. Step 5: Solve for x
    x = 185,015,131,728.59/603,669.10
  6. Step 6: Final answer
    x = 306,484.35

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Similar ratio
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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.