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Finding the Fourth Proportional to 1,033,895, 1,550,842.50 and 285,941

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Solution

The fourth proportional to 1,033,895, 1,550,842.50 and 285,941 is: 428,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,895 : 1,550,842.50 = 285,941 : x
  2. Step 2: Convert to fraction form
    1,033,895/1,550,842.50 = 285,941/x
  3. Step 3: Cross multiply
    1,033,895x = 1,550,842.50 × 285,941
  4. Step 4: Simplify right side
    1,033,895x = 443,449,455,292.50
  5. Step 5: Solve for x
    x = 443,449,455,292.50/1,033,895
  6. Step 6: Final answer
    x = 428,911.50

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Similar ratio
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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.