Home / 777,474.60-1,166,730.30-356,533.80

Finding the Fourth Proportional to 777,474.60, 1,166,730.30 and 356,533.80

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Solution

The fourth proportional to 777,474.60, 1,166,730.30 and 356,533.80 is: 535,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,474.60 : 1,166,730.30 = 356,533.80 : x
  2. Step 2: Convert to fraction form
    777,474.60/1,166,730.30 = 356,533.80/x
  3. Step 3: Cross multiply
    777,474.60x = 1,166,730.30 × 356,533.80
  4. Step 4: Simplify right side
    777,474.60x = 415,978,787,434.14
  5. Step 5: Solve for x
    x = 415,978,787,434.14/777,474.60
  6. Step 6: Final answer
    x = 535,038.43

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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.