Finding the Fourth Proportional to 660,324.15, 909,615.02 and 563,211.63
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Solution
The fourth proportional to 660,324.15, 909,615.02 and 563,211.63 is: 775,839.80
Step by Step Solution
- Step 1: Write the proportion equation
660,324.15 : 909,615.02 = 563,211.63 : x - Step 2: Convert to fraction form
660,324.15/909,615.02 = 563,211.63/x - Step 3: Cross multiply
660,324.15x = 909,615.02 × 563,211.63 - Step 4: Simplify right side
660,324.15x = 512,305,755,270.62 - Step 5: Solve for x
x = 512,305,755,270.62/660,324.15 - Step 6: Final answer
x = 775,839.80
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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.