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Finding the Fourth Proportional to 557,975.25, 770,004 and 303,324.62

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Solution

The fourth proportional to 557,975.25, 770,004 and 303,324.62 is: 418,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,975.25 : 770,004 = 303,324.62 : x
  2. Step 2: Convert to fraction form
    557,975.25/770,004 = 303,324.62/x
  3. Step 3: Cross multiply
    557,975.25x = 770,004 × 303,324.62
  4. Step 4: Simplify right side
    557,975.25x = 233,561,166,848.46
  5. Step 5: Solve for x
    x = 233,561,166,848.46/557,975.25
  6. Step 6: Final answer
    x = 418,586.97

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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.