Home / 988,769.92-1,482,012.48-455,172.16

Finding the Fourth Proportional to 988,769.92, 1,482,012.48 and 455,172.16

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Solution

The fourth proportional to 988,769.92, 1,482,012.48 and 455,172.16 is: 682,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,769.92 : 1,482,012.48 = 455,172.16 : x
  2. Step 2: Convert to fraction form
    988,769.92/1,482,012.48 = 455,172.16/x
  3. Step 3: Cross multiply
    988,769.92x = 1,482,012.48 × 455,172.16
  4. Step 4: Simplify right side
    988,769.92x = 674,570,821,668.56
  5. Step 5: Solve for x
    x = 674,570,821,668.56/988,769.92
  6. Step 6: Final answer
    x = 682,232.35

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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.