Home / 938,665.25-1,407,531.58-298,885.47

Finding the Fourth Proportional to 938,665.25, 1,407,531.58 and 298,885.47

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Solution

The fourth proportional to 938,665.25, 1,407,531.58 and 298,885.47 is: 448,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,665.25 : 1,407,531.58 = 298,885.47 : x
  2. Step 2: Convert to fraction form
    938,665.25/1,407,531.58 = 298,885.47/x
  3. Step 3: Cross multiply
    938,665.25x = 1,407,531.58 × 298,885.47
  4. Step 4: Simplify right side
    938,665.25x = 420,690,737,828.14
  5. Step 5: Solve for x
    x = 420,690,737,828.14/938,665.25
  6. Step 6: Final answer
    x = 448,179.73

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1.5x scale

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.