Home / 808,758.63-1,213,293.47-310,083.75

Finding the Fourth Proportional to 808,758.63, 1,213,293.47 and 310,083.75

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Solution

The fourth proportional to 808,758.63, 1,213,293.47 and 310,083.75 is: 465,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,758.63 : 1,213,293.47 = 310,083.75 : x
  2. Step 2: Convert to fraction form
    808,758.63/1,213,293.47 = 310,083.75/x
  3. Step 3: Cross multiply
    808,758.63x = 1,213,293.47 × 310,083.75
  4. Step 4: Simplify right side
    808,758.63x = 376,222,587,477.69
  5. Step 5: Solve for x
    x = 376,222,587,477.69/808,758.63
  6. Step 6: Final answer
    x = 465,185.25

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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.