Finding the Fourth Proportional to 891,674.01, 1,230,510.15 and 509,708.99
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Solution
The fourth proportional to 891,674.01, 1,230,510.15 and 509,708.99 is: 703,398.42
Step by Step Solution
- Step 1: Write the proportion equation
891,674.01 : 1,230,510.15 = 509,708.99 : x - Step 2: Convert to fraction form
891,674.01/1,230,510.15 = 509,708.99/x - Step 3: Cross multiply
891,674.01x = 1,230,510.15 × 509,708.99 - Step 4: Simplify right side
891,674.01x = 627,202,088,817.52 - Step 5: Solve for x
x = 627,202,088,817.52/891,674.01 - Step 6: Final answer
x = 703,398.42
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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.