Home / 810,121.50-1,214,352.81-337,081.50

Finding the Fourth Proportional to 810,121.50, 1,214,352.81 and 337,081.50

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Solution

The fourth proportional to 810,121.50, 1,214,352.81 and 337,081.50 is: 505,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,121.50 : 1,214,352.81 = 337,081.50 : x
  2. Step 2: Convert to fraction form
    810,121.50/1,214,352.81 = 337,081.50/x
  3. Step 3: Cross multiply
    810,121.50x = 1,214,352.81 × 337,081.50
  4. Step 4: Simplify right side
    810,121.50x = 409,335,866,724.02
  5. Step 5: Solve for x
    x = 409,335,866,724.02/810,121.50
  6. Step 6: Final answer
    x = 505,277.13

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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.