Home / 680,638.76-1,021,111.77-225,228.83

Finding the Fourth Proportional to 680,638.76, 1,021,111.77 and 225,228.83

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Solution

The fourth proportional to 680,638.76, 1,021,111.77 and 225,228.83 is: 337,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,638.76 : 1,021,111.77 = 225,228.83 : x
  2. Step 2: Convert to fraction form
    680,638.76/1,021,111.77 = 225,228.83/x
  3. Step 3: Cross multiply
    680,638.76x = 1,021,111.77 × 225,228.83
  4. Step 4: Simplify right side
    680,638.76x = 229,983,809,256.33
  5. Step 5: Solve for x
    x = 229,983,809,256.33/680,638.76
  6. Step 6: Final answer
    x = 337,894.08

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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.