Home / 856,692.52-1,285,041.85-216,995.96

Finding the Fourth Proportional to 856,692.52, 1,285,041.85 and 216,995.96

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Solution

The fourth proportional to 856,692.52, 1,285,041.85 and 216,995.96 is: 325,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,692.52 : 1,285,041.85 = 216,995.96 : x
  2. Step 2: Convert to fraction form
    856,692.52/1,285,041.85 = 216,995.96/x
  3. Step 3: Cross multiply
    856,692.52x = 1,285,041.85 × 216,995.96
  4. Step 4: Simplify right side
    856,692.52x = 278,848,892,551.04
  5. Step 5: Solve for x
    x = 278,848,892,551.04/856,692.52
  6. Step 6: Final answer
    x = 325,494.72

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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.