Home / 827,706.69-1,241,547.72-228,654.57

Finding the Fourth Proportional to 827,706.69, 1,241,547.72 and 228,654.57

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Solution

The fourth proportional to 827,706.69, 1,241,547.72 and 228,654.57 is: 342,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,706.69 : 1,241,547.72 = 228,654.57 : x
  2. Step 2: Convert to fraction form
    827,706.69/1,241,547.72 = 228,654.57/x
  3. Step 3: Cross multiply
    827,706.69x = 1,241,547.72 × 228,654.57
  4. Step 4: Simplify right side
    827,706.69x = 283,885,560,051.08
  5. Step 5: Solve for x
    x = 283,885,560,051.08/827,706.69
  6. Step 6: Final answer
    x = 342,978.45

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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.