Home / 860,441.43-1,188,623.40-689,494.98

Finding the Fourth Proportional to 860,441.43, 1,188,623.40 and 689,494.98

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Solution

The fourth proportional to 860,441.43, 1,188,623.40 and 689,494.98 is: 952,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,441.43 : 1,188,623.40 = 689,494.98 : x
  2. Step 2: Convert to fraction form
    860,441.43/1,188,623.40 = 689,494.98/x
  3. Step 3: Cross multiply
    860,441.43x = 1,188,623.40 × 689,494.98
  4. Step 4: Simplify right side
    860,441.43x = 819,549,867,410.53
  5. Step 5: Solve for x
    x = 819,549,867,410.53/860,441.43
  6. Step 6: Final answer
    x = 952,476.07

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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.