Home / 860,620.53-1,289,749.80-544,511.55

Finding the Fourth Proportional to 860,620.53, 1,289,749.80 and 544,511.55

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Solution

The fourth proportional to 860,620.53, 1,289,749.80 and 544,511.55 is: 816,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,620.53 : 1,289,749.80 = 544,511.55 : x
  2. Step 2: Convert to fraction form
    860,620.53/1,289,749.80 = 544,511.55/x
  3. Step 3: Cross multiply
    860,620.53x = 1,289,749.80 × 544,511.55
  4. Step 4: Simplify right side
    860,620.53x = 702,283,662,710.19
  5. Step 5: Solve for x
    x = 702,283,662,710.19/860,620.53
  6. Step 6: Final answer
    x = 816,020.11

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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.