Home / 646,972.79-970,633.87-197,681.33

Finding the Fourth Proportional to 646,972.79, 970,633.87 and 197,681.33

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Solution

The fourth proportional to 646,972.79, 970,633.87 and 197,681.33 is: 296,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,972.79 : 970,633.87 = 197,681.33 : x
  2. Step 2: Convert to fraction form
    646,972.79/970,633.87 = 197,681.33/x
  3. Step 3: Cross multiply
    646,972.79x = 970,633.87 × 197,681.33
  4. Step 4: Simplify right side
    646,972.79x = 191,876,196,297.03
  5. Step 5: Solve for x
    x = 191,876,196,297.03/646,972.79
  6. Step 6: Final answer
    x = 296,575.37

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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.