Finding the Fourth Proportional to 689,603.26, 1,032,192.36 and 368,953
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Solution
The fourth proportional to 689,603.26, 1,032,192.36 and 368,953 is: 552,245.75
Step by Step Solution
- Step 1: Write the proportion equation
689,603.26 : 1,032,192.36 = 368,953 : x - Step 2: Convert to fraction form
689,603.26/1,032,192.36 = 368,953/x - Step 3: Cross multiply
689,603.26x = 1,032,192.36 × 368,953 - Step 4: Simplify right side
689,603.26x = 380,830,467,799.08 - Step 5: Solve for x
x = 380,830,467,799.08/689,603.26 - Step 6: Final answer
x = 552,245.75
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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.