Home / 668,537.34-1,002,707.55-219,305.67

Finding the Fourth Proportional to 668,537.34, 1,002,707.55 and 219,305.67

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Solution

The fourth proportional to 668,537.34, 1,002,707.55 and 219,305.67 is: 328,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,537.34 : 1,002,707.55 = 219,305.67 : x
  2. Step 2: Convert to fraction form
    668,537.34/1,002,707.55 = 219,305.67/x
  3. Step 3: Cross multiply
    668,537.34x = 1,002,707.55 × 219,305.67
  4. Step 4: Simplify right side
    668,537.34x = 219,899,451,066.81
  5. Step 5: Solve for x
    x = 219,899,451,066.81/668,537.34
  6. Step 6: Final answer
    x = 328,926.21

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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.