Home / 762,027.30-1,143,726.21-407,344.50

Finding the Fourth Proportional to 762,027.30, 1,143,726.21 and 407,344.50

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Solution

The fourth proportional to 762,027.30, 1,143,726.21 and 407,344.50 is: 611,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,027.30 : 1,143,726.21 = 407,344.50 : x
  2. Step 2: Convert to fraction form
    762,027.30/1,143,726.21 = 407,344.50/x
  3. Step 3: Cross multiply
    762,027.30x = 1,143,726.21 × 407,344.50
  4. Step 4: Simplify right side
    762,027.30x = 465,890,581,149.35
  5. Step 5: Solve for x
    x = 465,890,581,149.35/762,027.30
  6. Step 6: Final answer
    x = 611,383.06

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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.