Home / 831,819.45-1,247,950.23-263,210.66

Finding the Fourth Proportional to 831,819.45, 1,247,950.23 and 263,210.66

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Solution

The fourth proportional to 831,819.45, 1,247,950.23 and 263,210.66 is: 394,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,819.45 : 1,247,950.23 = 263,210.66 : x
  2. Step 2: Convert to fraction form
    831,819.45/1,247,950.23 = 263,210.66/x
  3. Step 3: Cross multiply
    831,819.45x = 1,247,950.23 × 263,210.66
  4. Step 4: Simplify right side
    831,819.45x = 328,473,803,685.45
  5. Step 5: Solve for x
    x = 328,473,803,685.45/831,819.45
  6. Step 6: Final answer
    x = 394,885.94

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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.