Home / 860,621.29-1,289,750.94-544,512.31

Finding the Fourth Proportional to 860,621.29, 1,289,750.94 and 544,512.31

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Solution

The fourth proportional to 860,621.29, 1,289,750.94 and 544,512.31 is: 816,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,621.29 : 1,289,750.94 = 544,512.31 : x
  2. Step 2: Convert to fraction form
    860,621.29/1,289,750.94 = 544,512.31/x
  3. Step 3: Cross multiply
    860,621.29x = 1,289,750.94 × 544,512.31
  4. Step 4: Simplify right side
    860,621.29x = 702,285,260,439.69
  5. Step 5: Solve for x
    x = 702,285,260,439.69/860,621.29
  6. Step 6: Final answer
    x = 816,021.25

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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.