Home / 783,829.62-1,175,530.97-215,075.86

Finding the Fourth Proportional to 783,829.62, 1,175,530.97 and 215,075.86

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Solution

The fourth proportional to 783,829.62, 1,175,530.97 and 215,075.86 is: 322,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,829.62 : 1,175,530.97 = 215,075.86 : x
  2. Step 2: Convert to fraction form
    783,829.62/1,175,530.97 = 215,075.86/x
  3. Step 3: Cross multiply
    783,829.62x = 1,175,530.97 × 215,075.86
  4. Step 4: Simplify right side
    783,829.62x = 252,828,334,329.38
  5. Step 5: Solve for x
    x = 252,828,334,329.38/783,829.62
  6. Step 6: Final answer
    x = 322,555.22

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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.