Finding the Fourth Proportional to 586,428.60, 879,671.70 and 306,492.60
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Solution
The fourth proportional to 586,428.60, 879,671.70 and 306,492.60 is: 459,753.95
Step by Step Solution
- Step 1: Write the proportion equation
586,428.60 : 879,671.70 = 306,492.60 : x - Step 2: Convert to fraction form
586,428.60/879,671.70 = 306,492.60/x - Step 3: Cross multiply
586,428.60x = 879,671.70 × 306,492.60 - Step 4: Simplify right side
586,428.60x = 269,612,866,479.42 - Step 5: Solve for x
x = 269,612,866,479.42/586,428.60 - Step 6: Final answer
x = 459,753.95
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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.