Finding the Fourth Proportional to 868,988.48, 1,199,203.92 and 481,802.70
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Solution
The fourth proportional to 868,988.48, 1,199,203.92 and 481,802.70 is: 664,887.62
Step by Step Solution
- Step 1: Write the proportion equation
868,988.48 : 1,199,203.92 = 481,802.70 : x - Step 2: Convert to fraction form
868,988.48/1,199,203.92 = 481,802.70/x - Step 3: Cross multiply
868,988.48x = 1,199,203.92 × 481,802.70 - Step 4: Simplify right side
868,988.48x = 577,779,686,506.58 - Step 5: Solve for x
x = 577,779,686,506.58/868,988.48 - Step 6: Final answer
x = 664,887.62
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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.