Home / 783,301.59-1,081,310.31-493,339.31

Finding the Fourth Proportional to 783,301.59, 1,081,310.31 and 493,339.31

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Solution

The fourth proportional to 783,301.59, 1,081,310.31 and 493,339.31 is: 681,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,301.59 : 1,081,310.31 = 493,339.31 : x
  2. Step 2: Convert to fraction form
    783,301.59/1,081,310.31 = 493,339.31/x
  3. Step 3: Cross multiply
    783,301.59x = 1,081,310.31 × 493,339.31
  4. Step 4: Simplify right side
    783,301.59x = 533,452,883,084.54
  5. Step 5: Solve for x
    x = 533,452,883,084.54/783,301.59
  6. Step 6: Final answer
    x = 681,031.27

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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.