Home / 535,428.77-738,884.81-305,983.44

Finding the Fourth Proportional to 535,428.77, 738,884.81 and 305,983.44

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Solution

The fourth proportional to 535,428.77, 738,884.81 and 305,983.44 is: 422,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,428.77 : 738,884.81 = 305,983.44 : x
  2. Step 2: Convert to fraction form
    535,428.77/738,884.81 = 305,983.44/x
  3. Step 3: Cross multiply
    535,428.77x = 738,884.81 × 305,983.44
  4. Step 4: Simplify right side
    535,428.77x = 226,086,516,692.51
  5. Step 5: Solve for x
    x = 226,086,516,692.51/535,428.77
  6. Step 6: Final answer
    x = 422,253.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.