Home / 777,674.40-1,166,472.60-304,446.48

Finding the Fourth Proportional to 777,674.40, 1,166,472.60 and 304,446.48

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Solution

The fourth proportional to 777,674.40, 1,166,472.60 and 304,446.48 is: 456,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,674.40 : 1,166,472.60 = 304,446.48 : x
  2. Step 2: Convert to fraction form
    777,674.40/1,166,472.60 = 304,446.48/x
  3. Step 3: Cross multiply
    777,674.40x = 1,166,472.60 × 304,446.48
  4. Step 4: Simplify right side
    777,674.40x = 355,128,477,086.45
  5. Step 5: Solve for x
    x = 355,128,477,086.45/777,674.40
  6. Step 6: Final answer
    x = 456,654.45

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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.