Home / 724,300.20-1,086,579.90-303,618.60

Finding the Fourth Proportional to 724,300.20, 1,086,579.90 and 303,618.60

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Solution

The fourth proportional to 724,300.20, 1,086,579.90 and 303,618.60 is: 455,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,300.20 : 1,086,579.90 = 303,618.60 : x
  2. Step 2: Convert to fraction form
    724,300.20/1,086,579.90 = 303,618.60/x
  3. Step 3: Cross multiply
    724,300.20x = 1,086,579.90 × 303,618.60
  4. Step 4: Simplify right side
    724,300.20x = 329,905,868,026.14
  5. Step 5: Solve for x
    x = 329,905,868,026.14/724,300.20
  6. Step 6: Final answer
    x = 455,482.23

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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.