Home / 727,212.96-1,090,984.68-221,819.16

Finding the Fourth Proportional to 727,212.96, 1,090,984.68 and 221,819.16

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Solution

The fourth proportional to 727,212.96, 1,090,984.68 and 221,819.16 is: 332,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,212.96 : 1,090,984.68 = 221,819.16 : x
  2. Step 2: Convert to fraction form
    727,212.96/1,090,984.68 = 221,819.16/x
  3. Step 3: Cross multiply
    727,212.96x = 1,090,984.68 × 221,819.16
  4. Step 4: Simplify right side
    727,212.96x = 242,001,305,290.47
  5. Step 5: Solve for x
    x = 242,001,305,290.47/727,212.96
  6. Step 6: Final answer
    x = 332,779.14

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1.5x scale

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.