Finding the Fourth Proportional to 887,160.79, 1,224,293.70 and 505,189.09
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Solution
The fourth proportional to 887,160.79, 1,224,293.70 and 505,189.09 is: 697,167.67
Step by Step Solution
- Step 1: Write the proportion equation
887,160.79 : 1,224,293.70 = 505,189.09 : x - Step 2: Convert to fraction form
887,160.79/1,224,293.70 = 505,189.09/x - Step 3: Cross multiply
887,160.79x = 1,224,293.70 × 505,189.09 - Step 4: Simplify right side
887,160.79x = 618,499,820,195.73 - Step 5: Solve for x
x = 618,499,820,195.73/887,160.79 - Step 6: Final answer
x = 697,167.67
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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.