Home / 925,560.84-1,388,515.06-420,157.29

Finding the Fourth Proportional to 925,560.84, 1,388,515.06 and 420,157.29

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Solution

The fourth proportional to 925,560.84, 1,388,515.06 and 420,157.29 is: 630,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,560.84 : 1,388,515.06 = 420,157.29 : x
  2. Step 2: Convert to fraction form
    925,560.84/1,388,515.06 = 420,157.29/x
  3. Step 3: Cross multiply
    925,560.84x = 1,388,515.06 × 420,157.29
  4. Step 4: Simplify right side
    925,560.84x = 583,394,722,633.00
  5. Step 5: Solve for x
    x = 583,394,722,633.00/925,560.84
  6. Step 6: Final answer
    x = 630,314.83

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Double scale
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1.5x scale

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.