Home / 946,972.80-1,420,459.20-236,999.70

Finding the Fourth Proportional to 946,972.80, 1,420,459.20 and 236,999.70

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Solution

The fourth proportional to 946,972.80, 1,420,459.20 and 236,999.70 is: 355,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,972.80 : 1,420,459.20 = 236,999.70 : x
  2. Step 2: Convert to fraction form
    946,972.80/1,420,459.20 = 236,999.70/x
  3. Step 3: Cross multiply
    946,972.80x = 1,420,459.20 × 236,999.70
  4. Step 4: Simplify right side
    946,972.80x = 336,648,404,262.24
  5. Step 5: Solve for x
    x = 336,648,404,262.24/946,972.80
  6. Step 6: Final answer
    x = 355,499.55

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Half scale
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Double scale
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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.