Finding the Fourth Proportional to 809,790.84, 1,117,511.46 and 452,094.84
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Solution
The fourth proportional to 809,790.84, 1,117,511.46 and 452,094.84 is: 623,890.94
Step by Step Solution
- Step 1: Write the proportion equation
809,790.84 : 1,117,511.46 = 452,094.84 : x - Step 2: Convert to fraction form
809,790.84/1,117,511.46 = 452,094.84/x - Step 3: Cross multiply
809,790.84x = 1,117,511.46 × 452,094.84 - Step 4: Simplify right side
809,790.84x = 505,221,164,706.87 - Step 5: Solve for x
x = 505,221,164,706.87/809,790.84 - Step 6: Final answer
x = 623,890.94
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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.