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Finding the Fourth Proportional to 938,957, 1,408,582.08 and 299,404.08

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Solution

The fourth proportional to 938,957, 1,408,582.08 and 299,404.08 is: 449,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,957 : 1,408,582.08 = 299,404.08 : x
  2. Step 2: Convert to fraction form
    938,957/1,408,582.08 = 299,404.08/x
  3. Step 3: Cross multiply
    938,957x = 1,408,582.08 × 299,404.08
  4. Step 4: Simplify right side
    938,957x = 421,735,221,766.89
  5. Step 5: Solve for x
    x = 421,735,221,766.89/938,957
  6. Step 6: Final answer
    x = 449,152.86

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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.