Home / 776,361.60-1,163,849.81-302,936.85

Finding the Fourth Proportional to 776,361.60, 1,163,849.81 and 302,936.85

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Solution

The fourth proportional to 776,361.60, 1,163,849.81 and 302,936.85 is: 454,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,361.60 : 1,163,849.81 = 302,936.85 : x
  2. Step 2: Convert to fraction form
    776,361.60/1,163,849.81 = 302,936.85/x
  3. Step 3: Cross multiply
    776,361.60x = 1,163,849.81 × 302,936.85
  4. Step 4: Simplify right side
    776,361.60x = 352,572,993,799.81
  5. Step 5: Solve for x
    x = 352,572,993,799.81/776,361.60
  6. Step 6: Final answer
    x = 454,135.02

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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.