Home / 860,619.03-1,289,747.56-544,510.05

Finding the Fourth Proportional to 860,619.03, 1,289,747.56 and 544,510.05

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Solution

The fourth proportional to 860,619.03, 1,289,747.56 and 544,510.05 is: 816,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,619.03 : 1,289,747.56 = 544,510.05 : x
  2. Step 2: Convert to fraction form
    860,619.03/1,289,747.56 = 544,510.05/x
  3. Step 3: Cross multiply
    860,619.03x = 1,289,747.56 × 544,510.05
  4. Step 4: Simplify right side
    860,619.03x = 702,280,503,206.11
  5. Step 5: Solve for x
    x = 702,280,503,206.11/860,619.03
  6. Step 6: Final answer
    x = 816,017.87

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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.