Home / 783,676.07-1,175,515.40-215,064.96

Finding the Fourth Proportional to 783,676.07, 1,175,515.40 and 215,064.96

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Solution

The fourth proportional to 783,676.07, 1,175,515.40 and 215,064.96 is: 322,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,676.07 : 1,175,515.40 = 215,064.96 : x
  2. Step 2: Convert to fraction form
    783,676.07/1,175,515.40 = 215,064.96/x
  3. Step 3: Cross multiply
    783,676.07x = 1,175,515.40 × 215,064.96
  4. Step 4: Simplify right side
    783,676.07x = 252,812,172,480.38
  5. Step 5: Solve for x
    x = 252,812,172,480.38/783,676.07
  6. Step 6: Final answer
    x = 322,597.80

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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.