Home / 989,604.64-1,482,710.34-664,783.98

Finding the Fourth Proportional to 989,604.64, 1,482,710.34 and 664,783.98

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Solution

The fourth proportional to 989,604.64, 1,482,710.34 and 664,783.98 is: 996,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,604.64 : 1,482,710.34 = 664,783.98 : x
  2. Step 2: Convert to fraction form
    989,604.64/1,482,710.34 = 664,783.98/x
  3. Step 3: Cross multiply
    989,604.64x = 1,482,710.34 × 664,783.98
  4. Step 4: Simplify right side
    989,604.64x = 985,682,081,012.35
  5. Step 5: Solve for x
    x = 985,682,081,012.35/989,604.64
  6. Step 6: Final answer
    x = 996,036.24

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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.