Finding the Fourth Proportional to 912,893.02, 1,259,367.84 and 590,707.12
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Solution
The fourth proportional to 912,893.02, 1,259,367.84 and 590,707.12 is: 814,901.13
Step by Step Solution
- Step 1: Write the proportion equation
912,893.02 : 1,259,367.84 = 590,707.12 : x - Step 2: Convert to fraction form
912,893.02/1,259,367.84 = 590,707.12/x - Step 3: Cross multiply
912,893.02x = 1,259,367.84 × 590,707.12 - Step 4: Simplify right side
912,893.02x = 743,917,549,787.02 - Step 5: Solve for x
x = 743,917,549,787.02/912,893.02 - Step 6: Final answer
x = 814,901.13
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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.