Home / 791,493.58-1,187,223.72-192,457.81

Finding the Fourth Proportional to 791,493.58, 1,187,223.72 and 192,457.81

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Solution

The fourth proportional to 791,493.58, 1,187,223.72 and 192,457.81 is: 288,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,493.58 : 1,187,223.72 = 192,457.81 : x
  2. Step 2: Convert to fraction form
    791,493.58/1,187,223.72 = 192,457.81/x
  3. Step 3: Cross multiply
    791,493.58x = 1,187,223.72 × 192,457.81
  4. Step 4: Simplify right side
    791,493.58x = 228,490,477,131.25
  5. Step 5: Solve for x
    x = 228,490,477,131.25/791,493.58
  6. Step 6: Final answer
    x = 288,682.67

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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.