Finding the Fourth Proportional to 859,849.36, 1,186,497.84 and 497,218.48
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Solution
The fourth proportional to 859,849.36, 1,186,497.84 and 497,218.48 is: 686,106.99
Step by Step Solution
- Step 1: Write the proportion equation
859,849.36 : 1,186,497.84 = 497,218.48 : x - Step 2: Convert to fraction form
859,849.36/1,186,497.84 = 497,218.48/x - Step 3: Cross multiply
859,849.36x = 1,186,497.84 × 497,218.48 - Step 4: Simplify right side
859,849.36x = 589,948,652,528.08 - Step 5: Solve for x
x = 589,948,652,528.08/859,849.36 - Step 6: Final answer
x = 686,106.99
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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.