Finding the Fourth Proportional to 809,784.84, 1,117,503.18 and 452,088.84
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Solution
The fourth proportional to 809,784.84, 1,117,503.18 and 452,088.84 is: 623,882.66
Step by Step Solution
- Step 1: Write the proportion equation
809,784.84 : 1,117,503.18 = 452,088.84 : x - Step 2: Convert to fraction form
809,784.84/1,117,503.18 = 452,088.84/x - Step 3: Cross multiply
809,784.84x = 1,117,503.18 × 452,088.84 - Step 4: Simplify right side
809,784.84x = 505,210,716,342.51 - Step 5: Solve for x
x = 505,210,716,342.51/809,784.84 - Step 6: Final answer
x = 623,882.66
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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.