Finding the Fourth Proportional to 887,105.88, 1,224,217.80 and 505,134.18
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Solution
The fourth proportional to 887,105.88, 1,224,217.80 and 505,134.18 is: 697,091.82
Step by Step Solution
- Step 1: Write the proportion equation
887,105.88 : 1,224,217.80 = 505,134.18 : x - Step 2: Convert to fraction form
887,105.88/1,224,217.80 = 505,134.18/x - Step 3: Cross multiply
887,105.88x = 1,224,217.80 × 505,134.18 - Step 4: Simplify right side
887,105.88x = 618,394,254,544.40 - Step 5: Solve for x
x = 618,394,254,544.40/887,105.88 - Step 6: Final answer
x = 697,091.82
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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.