Home / 646,377.40-970,008.96-225,653.26

Finding the Fourth Proportional to 646,377.40, 970,008.96 and 225,653.26

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Solution

The fourth proportional to 646,377.40, 970,008.96 and 225,653.26 is: 338,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,377.40 : 970,008.96 = 225,653.26 : x
  2. Step 2: Convert to fraction form
    646,377.40/970,008.96 = 225,653.26/x
  3. Step 3: Cross multiply
    646,377.40x = 970,008.96 × 225,653.26
  4. Step 4: Simplify right side
    646,377.40x = 218,885,684,053.21
  5. Step 5: Solve for x
    x = 218,885,684,053.21/646,377.40
  6. Step 6: Final answer
    x = 338,634.49

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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.