Home / 783,829.12-1,175,530.22-215,075.36

Finding the Fourth Proportional to 783,829.12, 1,175,530.22 and 215,075.36

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Solution

The fourth proportional to 783,829.12, 1,175,530.22 and 215,075.36 is: 322,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,829.12 : 1,175,530.22 = 215,075.36 : x
  2. Step 2: Convert to fraction form
    783,829.12/1,175,530.22 = 215,075.36/x
  3. Step 3: Cross multiply
    783,829.12x = 1,175,530.22 × 215,075.36
  4. Step 4: Simplify right side
    783,829.12x = 252,827,585,257.38
  5. Step 5: Solve for x
    x = 252,827,585,257.38/783,829.12
  6. Step 6: Final answer
    x = 322,554.47

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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.