Home / 988,845.60-1,482,922.80-515,373.60

Finding the Fourth Proportional to 988,845.60, 1,482,922.80 and 515,373.60

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Solution

The fourth proportional to 988,845.60, 1,482,922.80 and 515,373.60 is: 772,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,845.60 : 1,482,922.80 = 515,373.60 : x
  2. Step 2: Convert to fraction form
    988,845.60/1,482,922.80 = 515,373.60/x
  3. Step 3: Cross multiply
    988,845.60x = 1,482,922.80 × 515,373.60
  4. Step 4: Simplify right side
    988,845.60x = 764,259,261,958.08
  5. Step 5: Solve for x
    x = 764,259,261,958.08/988,845.60
  6. Step 6: Final answer
    x = 772,880.28

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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.