Home / 646,986.06-969,821.63-268,112.93

Finding the Fourth Proportional to 646,986.06, 969,821.63 and 268,112.93

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Solution

The fourth proportional to 646,986.06, 969,821.63 and 268,112.93 is: 401,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,986.06 : 969,821.63 = 268,112.93 : x
  2. Step 2: Convert to fraction form
    646,986.06/969,821.63 = 268,112.93/x
  3. Step 3: Cross multiply
    646,986.06x = 969,821.63 × 268,112.93
  4. Step 4: Simplify right side
    646,986.06x = 260,021,712,607.00
  5. Step 5: Solve for x
    x = 260,021,712,607.00/646,986.06
  6. Step 6: Final answer
    x = 401,896.93

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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.