Home / 938,784.36-1,407,614.08-298,811.76

Finding the Fourth Proportional to 938,784.36, 1,407,614.08 and 298,811.76

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Solution

The fourth proportional to 938,784.36, 1,407,614.08 and 298,811.76 is: 448,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,784.36 : 1,407,614.08 = 298,811.76 : x
  2. Step 2: Convert to fraction form
    938,784.36/1,407,614.08 = 298,811.76/x
  3. Step 3: Cross multiply
    938,784.36x = 1,407,614.08 × 298,811.76
  4. Step 4: Simplify right side
    938,784.36x = 420,611,640,645.58
  5. Step 5: Solve for x
    x = 420,611,640,645.58/938,784.36
  6. Step 6: Final answer
    x = 448,038.61

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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.