Home / 724,297.80-1,086,252.30-303,486.60

Finding the Fourth Proportional to 724,297.80, 1,086,252.30 and 303,486.60

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Solution

The fourth proportional to 724,297.80, 1,086,252.30 and 303,486.60 is: 455,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,297.80 : 1,086,252.30 = 303,486.60 : x
  2. Step 2: Convert to fraction form
    724,297.80/1,086,252.30 = 303,486.60/x
  3. Step 3: Cross multiply
    724,297.80x = 1,086,252.30 × 303,486.60
  4. Step 4: Simplify right side
    724,297.80x = 329,663,017,269.18
  5. Step 5: Solve for x
    x = 329,663,017,269.18/724,297.80
  6. Step 6: Final answer
    x = 455,148.44

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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.