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Finding the Fourth Proportional to 603,000.20, 903,905.10 and 336,888.20

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Solution

The fourth proportional to 603,000.20, 903,905.10 and 336,888.20 is: 504,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,000.20 : 903,905.10 = 336,888.20 : x
  2. Step 2: Convert to fraction form
    603,000.20/903,905.10 = 336,888.20/x
  3. Step 3: Cross multiply
    603,000.20x = 903,905.10 × 336,888.20
  4. Step 4: Simplify right side
    603,000.20x = 304,514,962,109.82
  5. Step 5: Solve for x
    x = 304,514,962,109.82/603,000.20
  6. Step 6: Final answer
    x = 504,999.77

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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.