Home / 842,458.16-1,263,908.80-302,768.96

Finding the Fourth Proportional to 842,458.16, 1,263,908.80 and 302,768.96

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Solution

The fourth proportional to 842,458.16, 1,263,908.80 and 302,768.96 is: 454,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,458.16 : 1,263,908.80 = 302,768.96 : x
  2. Step 2: Convert to fraction form
    842,458.16/1,263,908.80 = 302,768.96/x
  3. Step 3: Cross multiply
    842,458.16x = 1,263,908.80 × 302,768.96
  4. Step 4: Simplify right side
    842,458.16x = 382,672,352,910.85
  5. Step 5: Solve for x
    x = 382,672,352,910.85/842,458.16
  6. Step 6: Final answer
    x = 454,233.07

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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.