Home / 689,667.44-1,034,500.23-216,389.70

Finding the Fourth Proportional to 689,667.44, 1,034,500.23 and 216,389.70

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Solution

The fourth proportional to 689,667.44, 1,034,500.23 and 216,389.70 is: 324,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,667.44 : 1,034,500.23 = 216,389.70 : x
  2. Step 2: Convert to fraction form
    689,667.44/1,034,500.23 = 216,389.70/x
  3. Step 3: Cross multiply
    689,667.44x = 1,034,500.23 × 216,389.70
  4. Step 4: Simplify right side
    689,667.44x = 223,855,194,419.63
  5. Step 5: Solve for x
    x = 223,855,194,419.63/689,667.44
  6. Step 6: Final answer
    x = 324,584.26

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1.5x scale

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.