Finding the Fourth Proportional to 992,988.17, 1,370,466.87 and 551,563.44
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Solution
The fourth proportional to 992,988.17, 1,370,466.87 and 551,563.44 is: 761,237.09
Step by Step Solution
- Step 1: Write the proportion equation
992,988.17 : 1,370,466.87 = 551,563.44 : x - Step 2: Convert to fraction form
992,988.17/1,370,466.87 = 551,563.44/x - Step 3: Cross multiply
992,988.17x = 1,370,466.87 × 551,563.44 - Step 4: Simplify right side
992,988.17x = 755,899,421,223.23 - Step 5: Solve for x
x = 755,899,421,223.23/992,988.17 - Step 6: Final answer
x = 761,237.09
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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.