Home / 875,954.40-1,314,277.20-343,384.80

Finding the Fourth Proportional to 875,954.40, 1,314,277.20 and 343,384.80

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Solution

The fourth proportional to 875,954.40, 1,314,277.20 and 343,384.80 is: 515,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,954.40 : 1,314,277.20 = 343,384.80 : x
  2. Step 2: Convert to fraction form
    875,954.40/1,314,277.20 = 343,384.80/x
  3. Step 3: Cross multiply
    875,954.40x = 1,314,277.20 × 343,384.80
  4. Step 4: Simplify right side
    875,954.40x = 451,302,813,466.56
  5. Step 5: Solve for x
    x = 451,302,813,466.56/875,954.40
  6. Step 6: Final answer
    x = 515,212.68

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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.