Home / 989,598.64-1,482,701.34-664,777.97

Finding the Fourth Proportional to 989,598.64, 1,482,701.34 and 664,777.97

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Solution

The fourth proportional to 989,598.64, 1,482,701.34 and 664,777.97 is: 996,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,598.64 : 1,482,701.34 = 664,777.97 : x
  2. Step 2: Convert to fraction form
    989,598.64/1,482,701.34 = 664,777.97/x
  3. Step 3: Cross multiply
    989,598.64x = 1,482,701.34 × 664,777.97
  4. Step 4: Simplify right side
    989,598.64x = 985,667,186,921.48
  5. Step 5: Solve for x
    x = 985,667,186,921.48/989,598.64
  6. Step 6: Final answer
    x = 996,027.22

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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.