Finding the Fourth Proportional to 1,218,282.90, 1,827,128.97 and 508,316.82
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Solution
The fourth proportional to 1,218,282.90, 1,827,128.97 and 508,316.82 is: 762,351.99
Step by Step Solution
- Step 1: Write the proportion equation
1,218,282.90 : 1,827,128.97 = 508,316.82 : x - Step 2: Convert to fraction form
1,218,282.90/1,827,128.97 = 508,316.82/x - Step 3: Cross multiply
1,218,282.90x = 1,827,128.97 × 508,316.82 - Step 4: Simplify right side
1,218,282.90x = 928,760,387,760.28 - Step 5: Solve for x
x = 928,760,387,760.28/1,218,282.90 - Step 6: Final answer
x = 762,351.99
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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.