Home / 762,692.05-1,052,512.09-418,533.76

Finding the Fourth Proportional to 762,692.05, 1,052,512.09 and 418,533.76

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Solution

The fourth proportional to 762,692.05, 1,052,512.09 and 418,533.76 is: 577,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,692.05 : 1,052,512.09 = 418,533.76 : x
  2. Step 2: Convert to fraction form
    762,692.05/1,052,512.09 = 418,533.76/x
  3. Step 3: Cross multiply
    762,692.05x = 1,052,512.09 × 418,533.76
  4. Step 4: Simplify right side
    762,692.05x = 440,511,842,473.16
  5. Step 5: Solve for x
    x = 440,511,842,473.16/762,692.05
  6. Step 6: Final answer
    x = 577,574.98

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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.