Finding the Fourth Proportional to 676,916.43, 934,156.68 and 370,972.44
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Solution
The fourth proportional to 676,916.43, 934,156.68 and 370,972.44 is: 511,948.55
Step by Step Solution
- Step 1: Write the proportion equation
676,916.43 : 934,156.68 = 370,972.44 : x - Step 2: Convert to fraction form
676,916.43/934,156.68 = 370,972.44/x - Step 3: Cross multiply
676,916.43x = 934,156.68 × 370,972.44 - Step 4: Simplify right side
676,916.43x = 346,546,382,921.90 - Step 5: Solve for x
x = 346,546,382,921.90/676,916.43 - Step 6: Final answer
x = 511,948.55
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1.5x scale
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.