Home / 909,895.22-1,364,793.54-278,810.88

Finding the Fourth Proportional to 909,895.22, 1,364,793.54 and 278,810.88

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Solution

The fourth proportional to 909,895.22, 1,364,793.54 and 278,810.88 is: 418,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,895.22 : 1,364,793.54 = 278,810.88 : x
  2. Step 2: Convert to fraction form
    909,895.22/1,364,793.54 = 278,810.88/x
  3. Step 3: Cross multiply
    909,895.22x = 1,364,793.54 × 278,810.88
  4. Step 4: Simplify right side
    909,895.22x = 380,519,287,905.72
  5. Step 5: Solve for x
    x = 380,519,287,905.72/909,895.22
  6. Step 6: Final answer
    x = 418,201.22

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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.