Home / 379,610.04-523,841.40-209,834.04

Finding the Fourth Proportional to 379,610.04, 523,841.40 and 209,834.04

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Solution

The fourth proportional to 379,610.04, 523,841.40 and 209,834.04 is: 289,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,610.04 : 523,841.40 = 209,834.04 : x
  2. Step 2: Convert to fraction form
    379,610.04/523,841.40 = 209,834.04/x
  3. Step 3: Cross multiply
    379,610.04x = 523,841.40 × 209,834.04
  4. Step 4: Simplify right side
    379,610.04x = 109,919,757,281.26
  5. Step 5: Solve for x
    x = 109,919,757,281.26/379,610.04
  6. Step 6: Final answer
    x = 289,559.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.