Home / 605,800.64-836,128.93-360,928.84

Finding the Fourth Proportional to 605,800.64, 836,128.93 and 360,928.84

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Solution

The fourth proportional to 605,800.64, 836,128.93 and 360,928.84 is: 498,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,800.64 : 836,128.93 = 360,928.84 : x
  2. Step 2: Convert to fraction form
    605,800.64/836,128.93 = 360,928.84/x
  3. Step 3: Cross multiply
    605,800.64x = 836,128.93 × 360,928.84
  4. Step 4: Simplify right side
    605,800.64x = 301,783,049,315.87
  5. Step 5: Solve for x
    x = 301,783,049,315.87/605,800.64
  6. Step 6: Final answer
    x = 498,155.71

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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.