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Finding the Fourth Proportional to 493,825.73, 740,592.45 and 209,512.67

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Solution

The fourth proportional to 493,825.73, 740,592.45 and 209,512.67 is: 314,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,825.73 : 740,592.45 = 209,512.67 : x
  2. Step 2: Convert to fraction form
    493,825.73/740,592.45 = 209,512.67/x
  3. Step 3: Cross multiply
    493,825.73x = 740,592.45 × 209,512.67
  4. Step 4: Simplify right side
    493,825.73x = 155,163,497,878.38
  5. Step 5: Solve for x
    x = 155,163,497,878.38/493,825.73
  6. Step 6: Final answer
    x = 314,207.00

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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.