Finding the Fourth Proportional to 887,107.88, 1,224,220.56 and 505,136.18
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Solution
The fourth proportional to 887,107.88, 1,224,220.56 and 505,136.18 is: 697,094.58
Step by Step Solution
- Step 1: Write the proportion equation
887,107.88 : 1,224,220.56 = 505,136.18 : x - Step 2: Convert to fraction form
887,107.88/1,224,220.56 = 505,136.18/x - Step 3: Cross multiply
887,107.88x = 1,224,220.56 × 505,136.18 - Step 4: Simplify right side
887,107.88x = 618,398,097,155.86 - Step 5: Solve for x
x = 618,398,097,155.86/887,107.88 - Step 6: Final answer
x = 697,094.58
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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.