Finding the Fourth Proportional to 939,555.24, 1,296,572.32 and 552,414.28
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Solution
The fourth proportional to 939,555.24, 1,296,572.32 and 552,414.28 is: 762,323.53
Step by Step Solution
- Step 1: Write the proportion equation
939,555.24 : 1,296,572.32 = 552,414.28 : x - Step 2: Convert to fraction form
939,555.24/1,296,572.32 = 552,414.28/x - Step 3: Cross multiply
939,555.24x = 1,296,572.32 × 552,414.28 - Step 4: Simplify right side
939,555.24x = 716,245,064,620.73 - Step 5: Solve for x
x = 716,245,064,620.73/939,555.24 - Step 6: Final answer
x = 762,323.53
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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.