Home / 673,145.71-1,009,908.57-274,072.89

Finding the Fourth Proportional to 673,145.71, 1,009,908.57 and 274,072.89

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Solution

The fourth proportional to 673,145.71, 1,009,908.57 and 274,072.89 is: 411,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,145.71 : 1,009,908.57 = 274,072.89 : x
  2. Step 2: Convert to fraction form
    673,145.71/1,009,908.57 = 274,072.89/x
  3. Step 3: Cross multiply
    673,145.71x = 1,009,908.57 × 274,072.89
  4. Step 4: Simplify right side
    673,145.71x = 276,788,560,415.67
  5. Step 5: Solve for x
    x = 276,788,560,415.67/673,145.71
  6. Step 6: Final answer
    x = 411,186.70

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Similar ratio
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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.