Home / 744,894.86-1,117,347.96-212,415.44

Finding the Fourth Proportional to 744,894.86, 1,117,347.96 and 212,415.44

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Solution

The fourth proportional to 744,894.86, 1,117,347.96 and 212,415.44 is: 318,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,894.86 : 1,117,347.96 = 212,415.44 : x
  2. Step 2: Convert to fraction form
    744,894.86/1,117,347.96 = 212,415.44/x
  3. Step 3: Cross multiply
    744,894.86x = 1,117,347.96 × 212,415.44
  4. Step 4: Simplify right side
    744,894.86x = 237,341,958,556.50
  5. Step 5: Solve for x
    x = 237,341,958,556.50/744,894.86
  6. Step 6: Final answer
    x = 318,624.78

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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.