Home / 824,590.74-1,236,022.91-345,093.28

Finding the Fourth Proportional to 824,590.74, 1,236,022.91 and 345,093.28

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Solution

The fourth proportional to 824,590.74, 1,236,022.91 and 345,093.28 is: 517,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,590.74 : 1,236,022.91 = 345,093.28 : x
  2. Step 2: Convert to fraction form
    824,590.74/1,236,022.91 = 345,093.28/x
  3. Step 3: Cross multiply
    824,590.74x = 1,236,022.91 × 345,093.28
  4. Step 4: Simplify right side
    824,590.74x = 426,543,200,167.05
  5. Step 5: Solve for x
    x = 426,543,200,167.05/824,590.74
  6. Step 6: Final answer
    x = 517,278.67

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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.