Home / 808,370.84-1,212,751.05-302,936.24

Finding the Fourth Proportional to 808,370.84, 1,212,751.05 and 302,936.24

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Solution

The fourth proportional to 808,370.84, 1,212,751.05 and 302,936.24 is: 454,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,370.84 : 1,212,751.05 = 302,936.24 : x
  2. Step 2: Convert to fraction form
    808,370.84/1,212,751.05 = 302,936.24/x
  3. Step 3: Cross multiply
    808,370.84x = 1,212,751.05 × 302,936.24
  4. Step 4: Simplify right side
    808,370.84x = 367,386,243,143.05
  5. Step 5: Solve for x
    x = 367,386,243,143.05/808,370.84
  6. Step 6: Final answer
    x = 454,477.36

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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.