Home / 855,585.88-1,283,670.54-323,260.36

Finding the Fourth Proportional to 855,585.88, 1,283,670.54 and 323,260.36

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Solution

The fourth proportional to 855,585.88, 1,283,670.54 and 323,260.36 is: 485,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,585.88 : 1,283,670.54 = 323,260.36 : x
  2. Step 2: Convert to fraction form
    855,585.88/1,283,670.54 = 323,260.36/x
  3. Step 3: Cross multiply
    855,585.88x = 1,283,670.54 × 323,260.36
  4. Step 4: Simplify right side
    855,585.88x = 414,959,800,881.79
  5. Step 5: Solve for x
    x = 414,959,800,881.79/855,585.88
  6. Step 6: Final answer
    x = 485,000.76

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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.