Home / 909,876.58-1,364,765.64-278,792.22

Finding the Fourth Proportional to 909,876.58, 1,364,765.64 and 278,792.22

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Solution

The fourth proportional to 909,876.58, 1,364,765.64 and 278,792.22 is: 418,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,876.58 : 1,364,765.64 = 278,792.22 : x
  2. Step 2: Convert to fraction form
    909,876.58/1,364,765.64 = 278,792.22/x
  3. Step 3: Cross multiply
    909,876.58x = 1,364,765.64 × 278,792.22
  4. Step 4: Simplify right side
    909,876.58x = 380,486,042,555.32
  5. Step 5: Solve for x
    x = 380,486,042,555.32/909,876.58
  6. Step 6: Final answer
    x = 418,173.25

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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.