Home / 727,716.84-1,091,692.06-307,054.76

Finding the Fourth Proportional to 727,716.84, 1,091,692.06 and 307,054.76

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Solution

The fourth proportional to 727,716.84, 1,091,692.06 and 307,054.76 is: 460,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,716.84 : 1,091,692.06 = 307,054.76 : x
  2. Step 2: Convert to fraction form
    727,716.84/1,091,692.06 = 307,054.76/x
  3. Step 3: Cross multiply
    727,716.84x = 1,091,692.06 × 307,054.76
  4. Step 4: Simplify right side
    727,716.84x = 335,209,243,477.21
  5. Step 5: Solve for x
    x = 335,209,243,477.21/727,716.84
  6. Step 6: Final answer
    x = 460,631.42

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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.