Home / 680,576.50-1,020,786.93-181,979.38

Finding the Fourth Proportional to 680,576.50, 1,020,786.93 and 181,979.38

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Solution

The fourth proportional to 680,576.50, 1,020,786.93 and 181,979.38 is: 272,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,576.50 : 1,020,786.93 = 181,979.38 : x
  2. Step 2: Convert to fraction form
    680,576.50/1,020,786.93 = 181,979.38/x
  3. Step 3: Cross multiply
    680,576.50x = 1,020,786.93 × 181,979.38
  4. Step 4: Simplify right side
    680,576.50x = 185,762,172,633.50
  5. Step 5: Solve for x
    x = 185,762,172,633.50/680,576.50
  6. Step 6: Final answer
    x = 272,948.26

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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.