Home / 783,956.66-1,175,930.67-285,320.66

Finding the Fourth Proportional to 783,956.66, 1,175,930.67 and 285,320.66

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Solution

The fourth proportional to 783,956.66, 1,175,930.67 and 285,320.66 is: 427,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,956.66 : 1,175,930.67 = 285,320.66 : x
  2. Step 2: Convert to fraction form
    783,956.66/1,175,930.67 = 285,320.66/x
  3. Step 3: Cross multiply
    783,956.66x = 1,175,930.67 × 285,320.66
  4. Step 4: Simplify right side
    783,956.66x = 335,517,314,878.64
  5. Step 5: Solve for x
    x = 335,517,314,878.64/783,956.66
  6. Step 6: Final answer
    x = 427,979.42

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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.