Home / 558,318.60-770,441.76-303,664.32

Finding the Fourth Proportional to 558,318.60, 770,441.76 and 303,664.32

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Solution

The fourth proportional to 558,318.60, 770,441.76 and 303,664.32 is: 419,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,318.60 : 770,441.76 = 303,664.32 : x
  2. Step 2: Convert to fraction form
    558,318.60/770,441.76 = 303,664.32/x
  3. Step 3: Cross multiply
    558,318.60x = 770,441.76 × 303,664.32
  4. Step 4: Simplify right side
    558,318.60x = 233,955,673,150.00
  5. Step 5: Solve for x
    x = 233,955,673,150.00/558,318.60
  6. Step 6: Final answer
    x = 419,036.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.