Home / 777,954.60-1,166,828.22-216,942.12

Finding the Fourth Proportional to 777,954.60, 1,166,828.22 and 216,942.12

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Solution

The fourth proportional to 777,954.60, 1,166,828.22 and 216,942.12 is: 325,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,954.60 : 1,166,828.22 = 216,942.12 : x
  2. Step 2: Convert to fraction form
    777,954.60/1,166,828.22 = 216,942.12/x
  3. Step 3: Cross multiply
    777,954.60x = 1,166,828.22 × 216,942.12
  4. Step 4: Simplify right side
    777,954.60x = 253,134,187,722.63
  5. Step 5: Solve for x
    x = 253,134,187,722.63/777,954.60
  6. Step 6: Final answer
    x = 325,384.27

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1.5x scale

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.