Home / 893,576.78-1,233,148.44-485,678.52

Finding the Fourth Proportional to 893,576.78, 1,233,148.44 and 485,678.52

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Solution

The fourth proportional to 893,576.78, 1,233,148.44 and 485,678.52 is: 670,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,576.78 : 1,233,148.44 = 485,678.52 : x
  2. Step 2: Convert to fraction form
    893,576.78/1,233,148.44 = 485,678.52/x
  3. Step 3: Cross multiply
    893,576.78x = 1,233,148.44 × 485,678.52
  4. Step 4: Simplify right side
    893,576.78x = 598,913,709,279.51
  5. Step 5: Solve for x
    x = 598,913,709,279.51/893,576.78
  6. Step 6: Final answer
    x = 670,243.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.