Finding the Fourth Proportional to 887,815.14, 1,224,380.55 and 581,780.36
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Solution
The fourth proportional to 887,815.14, 1,224,380.55 and 581,780.36 is: 802,329.81
Step by Step Solution
- Step 1: Write the proportion equation
887,815.14 : 1,224,380.55 = 581,780.36 : x - Step 2: Convert to fraction form
887,815.14/1,224,380.55 = 581,780.36/x - Step 3: Cross multiply
887,815.14x = 1,224,380.55 × 581,780.36 - Step 4: Simplify right side
887,815.14x = 712,320,551,034.10 - Step 5: Solve for x
x = 712,320,551,034.10/887,815.14 - Step 6: Final answer
x = 802,329.81
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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.