Home / 809,267.81-1,116,789.64-446,691.76

Finding the Fourth Proportional to 809,267.81, 1,116,789.64 and 446,691.76

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Solution

The fourth proportional to 809,267.81, 1,116,789.64 and 446,691.76 is: 616,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,267.81 : 1,116,789.64 = 446,691.76 : x
  2. Step 2: Convert to fraction form
    809,267.81/1,116,789.64 = 446,691.76/x
  3. Step 3: Cross multiply
    809,267.81x = 1,116,789.64 × 446,691.76
  4. Step 4: Simplify right side
    809,267.81x = 498,860,734,727.25
  5. Step 5: Solve for x
    x = 498,860,734,727.25/809,267.81
  6. Step 6: Final answer
    x = 616,434.67

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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.