Home / 938,071.86-1,407,088.34-228,103.62

Finding the Fourth Proportional to 938,071.86, 1,407,088.34 and 228,103.62

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Solution

The fourth proportional to 938,071.86, 1,407,088.34 and 228,103.62 is: 342,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,071.86 : 1,407,088.34 = 228,103.62 : x
  2. Step 2: Convert to fraction form
    938,071.86/1,407,088.34 = 228,103.62/x
  3. Step 3: Cross multiply
    938,071.86x = 1,407,088.34 × 228,103.62
  4. Step 4: Simplify right side
    938,071.86x = 320,961,944,013.79
  5. Step 5: Solve for x
    x = 320,961,944,013.79/938,071.86
  6. Step 6: Final answer
    x = 342,150.70

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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.