Home / 538,724.70-743,445.27-297,016.65

Finding the Fourth Proportional to 538,724.70, 743,445.27 and 297,016.65

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Solution

The fourth proportional to 538,724.70, 743,445.27 and 297,016.65 is: 409,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,724.70 : 743,445.27 = 297,016.65 : x
  2. Step 2: Convert to fraction form
    538,724.70/743,445.27 = 297,016.65/x
  3. Step 3: Cross multiply
    538,724.70x = 743,445.27 × 297,016.65
  4. Step 4: Simplify right side
    538,724.70x = 220,815,623,553.75
  5. Step 5: Solve for x
    x = 220,815,623,553.75/538,724.70
  6. Step 6: Final answer
    x = 409,885.84

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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.