Home / 840,022.21-1,260,030.90-208,936.02

Finding the Fourth Proportional to 840,022.21, 1,260,030.90 and 208,936.02

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Solution

The fourth proportional to 840,022.21, 1,260,030.90 and 208,936.02 is: 313,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,022.21 : 1,260,030.90 = 208,936.02 : x
  2. Step 2: Convert to fraction form
    840,022.21/1,260,030.90 = 208,936.02/x
  3. Step 3: Cross multiply
    840,022.21x = 1,260,030.90 × 208,936.02
  4. Step 4: Simplify right side
    840,022.21x = 263,265,841,323.02
  5. Step 5: Solve for x
    x = 263,265,841,323.02/840,022.21
  6. Step 6: Final answer
    x = 313,403.43

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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.