Home / 860,322.59-1,185,493.64-665,546.95

Finding the Fourth Proportional to 860,322.59, 1,185,493.64 and 665,546.95

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Solution

The fourth proportional to 860,322.59, 1,185,493.64 and 665,546.95 is: 917,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,322.59 : 1,185,493.64 = 665,546.95 : x
  2. Step 2: Convert to fraction form
    860,322.59/1,185,493.64 = 665,546.95/x
  3. Step 3: Cross multiply
    860,322.59x = 1,185,493.64 × 665,546.95
  4. Step 4: Simplify right side
    860,322.59x = 789,001,674,500.53
  5. Step 5: Solve for x
    x = 789,001,674,500.53/860,322.59
  6. Step 6: Final answer
    x = 917,099.80

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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.