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Finding the Fourth Proportional to 492,073.84, 679,112.06 and 301,213.36

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Solution

The fourth proportional to 492,073.84, 679,112.06 and 301,213.36 is: 415,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,073.84 : 679,112.06 = 301,213.36 : x
  2. Step 2: Convert to fraction form
    492,073.84/679,112.06 = 301,213.36/x
  3. Step 3: Cross multiply
    492,073.84x = 679,112.06 × 301,213.36
  4. Step 4: Simplify right side
    492,073.84x = 204,557,625,409.12
  5. Step 5: Solve for x
    x = 204,557,625,409.12/492,073.84
  6. Step 6: Final answer
    x = 415,705.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.