Home / 841,440.45-1,261,410.39-308,837.91

Finding the Fourth Proportional to 841,440.45, 1,261,410.39 and 308,837.91

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Solution

The fourth proportional to 841,440.45, 1,261,410.39 and 308,837.91 is: 462,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,440.45 : 1,261,410.39 = 308,837.91 : x
  2. Step 2: Convert to fraction form
    841,440.45/1,261,410.39 = 308,837.91/x
  3. Step 3: Cross multiply
    841,440.45x = 1,261,410.39 × 308,837.91
  4. Step 4: Simplify right side
    841,440.45x = 389,571,348,499.89
  5. Step 5: Solve for x
    x = 389,571,348,499.89/841,440.45
  6. Step 6: Final answer
    x = 462,981.48

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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.