Home / 330,621.77-496,514.10-325,888.67

Finding the Fourth Proportional to 330,621.77, 496,514.10 and 325,888.67

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Solution

The fourth proportional to 330,621.77, 496,514.10 and 325,888.67 is: 489,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,621.77 : 496,514.10 = 325,888.67 : x
  2. Step 2: Convert to fraction form
    330,621.77/496,514.10 = 325,888.67/x
  3. Step 3: Cross multiply
    330,621.77x = 496,514.10 × 325,888.67
  4. Step 4: Simplify right side
    330,621.77x = 161,808,317,202.68
  5. Step 5: Solve for x
    x = 161,808,317,202.68/330,621.77
  6. Step 6: Final answer
    x = 489,406.13

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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.