Home / 774,692.82-1,162,106.18-213,727.32

Finding the Fourth Proportional to 774,692.82, 1,162,106.18 and 213,727.32

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Solution

The fourth proportional to 774,692.82, 1,162,106.18 and 213,727.32 is: 320,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,692.82 : 1,162,106.18 = 213,727.32 : x
  2. Step 2: Convert to fraction form
    774,692.82/1,162,106.18 = 213,727.32/x
  3. Step 3: Cross multiply
    774,692.82x = 1,162,106.18 × 213,727.32
  4. Step 4: Simplify right side
    774,692.82x = 248,373,839,406.84
  5. Step 5: Solve for x
    x = 248,373,839,406.84/774,692.82
  6. Step 6: Final answer
    x = 320,609.45

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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.