Home / 743,889.78-1,026,207.09-441,869.94

Finding the Fourth Proportional to 743,889.78, 1,026,207.09 and 441,869.94

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Solution

The fourth proportional to 743,889.78, 1,026,207.09 and 441,869.94 is: 609,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,889.78 : 1,026,207.09 = 441,869.94 : x
  2. Step 2: Convert to fraction form
    743,889.78/1,026,207.09 = 441,869.94/x
  3. Step 3: Cross multiply
    743,889.78x = 1,026,207.09 × 441,869.94
  4. Step 4: Simplify right side
    743,889.78x = 453,450,065,285.88
  5. Step 5: Solve for x
    x = 453,450,065,285.88/743,889.78
  6. Step 6: Final answer
    x = 609,566.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.