Home / 673,718.07-1,010,520.18-218,299.67

Finding the Fourth Proportional to 673,718.07, 1,010,520.18 and 218,299.67

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Solution

The fourth proportional to 673,718.07, 1,010,520.18 and 218,299.67 is: 327,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,718.07 : 1,010,520.18 = 218,299.67 : x
  2. Step 2: Convert to fraction form
    673,718.07/1,010,520.18 = 218,299.67/x
  3. Step 3: Cross multiply
    673,718.07x = 1,010,520.18 × 218,299.67
  4. Step 4: Simplify right side
    673,718.07x = 220,596,219,296.04
  5. Step 5: Solve for x
    x = 220,596,219,296.04/673,718.07
  6. Step 6: Final answer
    x = 327,431.06

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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.