Finding the Fourth Proportional to 586,442.85, 879,680.70 and 207,310.02
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Solution
The fourth proportional to 586,442.85, 879,680.70 and 207,310.02 is: 310,970.84
Step by Step Solution
- Step 1: Write the proportion equation
586,442.85 : 879,680.70 = 207,310.02 : x - Step 2: Convert to fraction form
586,442.85/879,680.70 = 207,310.02/x - Step 3: Cross multiply
586,442.85x = 879,680.70 × 207,310.02 - Step 4: Simplify right side
586,442.85x = 182,366,623,510.61 - Step 5: Solve for x
x = 182,366,623,510.61/586,442.85 - Step 6: Final answer
x = 310,970.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.