Home / 700,844.92-1,051,774.26-280,238.20

Finding the Fourth Proportional to 700,844.92, 1,051,774.26 and 280,238.20

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Solution

The fourth proportional to 700,844.92, 1,051,774.26 and 280,238.20 is: 420,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,844.92 : 1,051,774.26 = 280,238.20 : x
  2. Step 2: Convert to fraction form
    700,844.92/1,051,774.26 = 280,238.20/x
  3. Step 3: Cross multiply
    700,844.92x = 1,051,774.26 × 280,238.20
  4. Step 4: Simplify right side
    700,844.92x = 294,747,325,428.73
  5. Step 5: Solve for x
    x = 294,747,325,428.73/700,844.92
  6. Step 6: Final answer
    x = 420,559.98

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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.