Home / 724,095.60-1,086,143.40-303,327.60

Finding the Fourth Proportional to 724,095.60, 1,086,143.40 and 303,327.60

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Solution

The fourth proportional to 724,095.60, 1,086,143.40 and 303,327.60 is: 454,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,095.60 : 1,086,143.40 = 303,327.60 : x
  2. Step 2: Convert to fraction form
    724,095.60/1,086,143.40 = 303,327.60/x
  3. Step 3: Cross multiply
    724,095.60x = 1,086,143.40 × 303,327.60
  4. Step 4: Simplify right side
    724,095.60x = 329,457,270,777.84
  5. Step 5: Solve for x
    x = 329,457,270,777.84/724,095.60
  6. Step 6: Final answer
    x = 454,991.40

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Half scale
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Double scale
Find fourth proportional to 724,096.60, 1,086,144.90 and 303,328.60
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.