Home / 777,885.76-1,166,828.64-252,573.76

Finding the Fourth Proportional to 777,885.76, 1,166,828.64 and 252,573.76

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Solution

The fourth proportional to 777,885.76, 1,166,828.64 and 252,573.76 is: 378,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,885.76 : 1,166,828.64 = 252,573.76 : x
  2. Step 2: Convert to fraction form
    777,885.76/1,166,828.64 = 252,573.76/x
  3. Step 3: Cross multiply
    777,885.76x = 1,166,828.64 × 252,573.76
  4. Step 4: Simplify right side
    777,885.76x = 294,710,296,880.49
  5. Step 5: Solve for x
    x = 294,710,296,880.49/777,885.76
  6. Step 6: Final answer
    x = 378,860.64

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Similar ratio
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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.