Home / 980,872.64-1,353,627.96-551,127.14

Finding the Fourth Proportional to 980,872.64, 1,353,627.96 and 551,127.14

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Solution

The fourth proportional to 980,872.64, 1,353,627.96 and 551,127.14 is: 760,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,872.64 : 1,353,627.96 = 551,127.14 : x
  2. Step 2: Convert to fraction form
    980,872.64/1,353,627.96 = 551,127.14/x
  3. Step 3: Cross multiply
    980,872.64x = 1,353,627.96 × 551,127.14
  4. Step 4: Simplify right side
    980,872.64x = 746,021,106,218.83
  5. Step 5: Solve for x
    x = 746,021,106,218.83/980,872.64
  6. Step 6: Final answer
    x = 760,568.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.