Home / 724,154.10-1,086,490.35-303,558.90

Finding the Fourth Proportional to 724,154.10, 1,086,490.35 and 303,558.90

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Solution

The fourth proportional to 724,154.10, 1,086,490.35 and 303,558.90 is: 455,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,154.10 : 1,086,490.35 = 303,558.90 : x
  2. Step 2: Convert to fraction form
    724,154.10/1,086,490.35 = 303,558.90/x
  3. Step 3: Cross multiply
    724,154.10x = 1,086,490.35 × 303,558.90
  4. Step 4: Simplify right side
    724,154.10x = 329,813,815,506.62
  5. Step 5: Solve for x
    x = 329,813,815,506.62/724,154.10
  6. Step 6: Final answer
    x = 455,447.00

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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.