Home / 803,357.69-1,205,031.34-204,313.67

Finding the Fourth Proportional to 803,357.69, 1,205,031.34 and 204,313.67

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Solution

The fourth proportional to 803,357.69, 1,205,031.34 and 204,313.67 is: 306,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,357.69 : 1,205,031.34 = 204,313.67 : x
  2. Step 2: Convert to fraction form
    803,357.69/1,205,031.34 = 204,313.67/x
  3. Step 3: Cross multiply
    803,357.69x = 1,205,031.34 × 204,313.67
  4. Step 4: Simplify right side
    803,357.69x = 246,204,374,518.85
  5. Step 5: Solve for x
    x = 246,204,374,518.85/803,357.69
  6. Step 6: Final answer
    x = 306,469.18

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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.