Home / 938,776.60-1,407,602.54-298,803.88

Finding the Fourth Proportional to 938,776.60, 1,407,602.54 and 298,803.88

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Solution

The fourth proportional to 938,776.60, 1,407,602.54 and 298,803.88 is: 448,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,776.60 : 1,407,602.54 = 298,803.88 : x
  2. Step 2: Convert to fraction form
    938,776.60/1,407,602.54 = 298,803.88/x
  3. Step 3: Cross multiply
    938,776.60x = 1,407,602.54 × 298,803.88
  4. Step 4: Simplify right side
    938,776.60x = 420,597,100,449.86
  5. Step 5: Solve for x
    x = 420,597,100,449.86/938,776.60
  6. Step 6: Final answer
    x = 448,026.83

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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.