Home / 805,846.83-1,208,919.74-266,140.50

Finding the Fourth Proportional to 805,846.83, 1,208,919.74 and 266,140.50

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Solution

The fourth proportional to 805,846.83, 1,208,919.74 and 266,140.50 is: 399,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,846.83 : 1,208,919.74 = 266,140.50 : x
  2. Step 2: Convert to fraction form
    805,846.83/1,208,919.74 = 266,140.50/x
  3. Step 3: Cross multiply
    805,846.83x = 1,208,919.74 × 266,140.50
  4. Step 4: Simplify right side
    805,846.83x = 321,742,504,999.49
  5. Step 5: Solve for x
    x = 321,742,504,999.49/805,846.83
  6. Step 6: Final answer
    x = 399,260.13

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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.