Finding the Fourth Proportional to 987,132.94, 1,362,274.98 and 605,545.18
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Solution
The fourth proportional to 987,132.94, 1,362,274.98 and 605,545.18 is: 835,671.69
Step by Step Solution
- Step 1: Write the proportion equation
987,132.94 : 1,362,274.98 = 605,545.18 : x - Step 2: Convert to fraction form
987,132.94/1,362,274.98 = 605,545.18/x - Step 3: Cross multiply
987,132.94x = 1,362,274.98 × 605,545.18 - Step 4: Simplify right side
987,132.94x = 824,919,047,973.60 - Step 5: Solve for x
x = 824,919,047,973.60/987,132.94 - Step 6: Final answer
x = 835,671.69
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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.