Home / 989,597.64-1,482,699.84-664,776.97

Finding the Fourth Proportional to 989,597.64, 1,482,699.84 and 664,776.97

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Solution

The fourth proportional to 989,597.64, 1,482,699.84 and 664,776.97 is: 996,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,597.64 : 1,482,699.84 = 664,776.97 : x
  2. Step 2: Convert to fraction form
    989,597.64/1,482,699.84 = 664,776.97/x
  3. Step 3: Cross multiply
    989,597.64x = 1,482,699.84 × 664,776.97
  4. Step 4: Simplify right side
    989,597.64x = 985,664,707,054.69
  5. Step 5: Solve for x
    x = 985,664,707,054.69/989,597.64
  6. Step 6: Final answer
    x = 996,025.73

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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.