Home / 860,440.93-1,188,622.70-689,494.48

Finding the Fourth Proportional to 860,440.93, 1,188,622.70 and 689,494.48

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Solution

The fourth proportional to 860,440.93, 1,188,622.70 and 689,494.48 is: 952,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,440.93 : 1,188,622.70 = 689,494.48 : x
  2. Step 2: Convert to fraction form
    860,440.93/1,188,622.70 = 689,494.48/x
  3. Step 3: Cross multiply
    860,440.93x = 1,188,622.70 × 689,494.48
  4. Step 4: Simplify right side
    860,440.93x = 819,548,790,452.70
  5. Step 5: Solve for x
    x = 819,548,790,452.70/860,440.93
  6. Step 6: Final answer
    x = 952,475.37

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1.5x scale

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.