Home / 777,477.60-1,166,734.80-356,536.80

Finding the Fourth Proportional to 777,477.60, 1,166,734.80 and 356,536.80

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Solution

The fourth proportional to 777,477.60, 1,166,734.80 and 356,536.80 is: 535,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,477.60 : 1,166,734.80 = 356,536.80 : x
  2. Step 2: Convert to fraction form
    777,477.60/1,166,734.80 = 356,536.80/x
  3. Step 3: Cross multiply
    777,477.60x = 1,166,734.80 × 356,536.80
  4. Step 4: Simplify right side
    777,477.60x = 415,983,892,040.64
  5. Step 5: Solve for x
    x = 415,983,892,040.64/777,477.60
  6. Step 6: Final answer
    x = 535,042.93

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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.