Home / 988,643.80-1,482,879.30-323,795.80

Finding the Fourth Proportional to 988,643.80, 1,482,879.30 and 323,795.80

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Solution

The fourth proportional to 988,643.80, 1,482,879.30 and 323,795.80 is: 485,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,643.80 : 1,482,879.30 = 323,795.80 : x
  2. Step 2: Convert to fraction form
    988,643.80/1,482,879.30 = 323,795.80/x
  3. Step 3: Cross multiply
    988,643.80x = 1,482,879.30 × 323,795.80
  4. Step 4: Simplify right side
    988,643.80x = 480,150,089,246.94
  5. Step 5: Solve for x
    x = 480,150,089,246.94/988,643.80
  6. Step 6: Final answer
    x = 485,665.40

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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.