Home / 783,442.80-1,175,268.77-310,017.44

Finding the Fourth Proportional to 783,442.80, 1,175,268.77 and 310,017.44

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Solution

The fourth proportional to 783,442.80, 1,175,268.77 and 310,017.44 is: 465,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,442.80 : 1,175,268.77 = 310,017.44 : x
  2. Step 2: Convert to fraction form
    783,442.80/1,175,268.77 = 310,017.44/x
  3. Step 3: Cross multiply
    783,442.80x = 1,175,268.77 × 310,017.44
  4. Step 4: Simplify right side
    783,442.80x = 364,353,821,507.00
  5. Step 5: Solve for x
    x = 364,353,821,507.00/783,442.80
  6. Step 6: Final answer
    x = 465,067.55

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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.