Home / 649,399.75-896,211.44-362,942.71

Finding the Fourth Proportional to 649,399.75, 896,211.44 and 362,942.71

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Solution

The fourth proportional to 649,399.75, 896,211.44 and 362,942.71 is: 500,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,399.75 : 896,211.44 = 362,942.71 : x
  2. Step 2: Convert to fraction form
    649,399.75/896,211.44 = 362,942.71/x
  3. Step 3: Cross multiply
    649,399.75x = 896,211.44 × 362,942.71
  4. Step 4: Simplify right side
    649,399.75x = 325,273,406,072.40
  5. Step 5: Solve for x
    x = 325,273,406,072.40/649,399.75
  6. Step 6: Final answer
    x = 500,883.17

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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.