Home / 841,906.22-1,262,870.13-280,940.72

Finding the Fourth Proportional to 841,906.22, 1,262,870.13 and 280,940.72

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Solution

The fourth proportional to 841,906.22, 1,262,870.13 and 280,940.72 is: 421,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,906.22 : 1,262,870.13 = 280,940.72 : x
  2. Step 2: Convert to fraction form
    841,906.22/1,262,870.13 = 280,940.72/x
  3. Step 3: Cross multiply
    841,906.22x = 1,262,870.13 × 280,940.72
  4. Step 4: Simplify right side
    841,906.22x = 354,791,643,588.69
  5. Step 5: Solve for x
    x = 354,791,643,588.69/841,906.22
  6. Step 6: Final answer
    x = 421,414.68

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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.