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Finding the Fourth Proportional to 336,324.56, 504,486.84 and 319,506.80

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Solution

The fourth proportional to 336,324.56, 504,486.84 and 319,506.80 is: 479,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,324.56 : 504,486.84 = 319,506.80 : x
  2. Step 2: Convert to fraction form
    336,324.56/504,486.84 = 319,506.80/x
  3. Step 3: Cross multiply
    336,324.56x = 504,486.84 × 319,506.80
  4. Step 4: Simplify right side
    336,324.56x = 161,186,975,890.51
  5. Step 5: Solve for x
    x = 161,186,975,890.51/336,324.56
  6. Step 6: Final answer
    x = 479,260.20

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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.