Finding the Fourth Proportional to 659,938.62, 910,715.28 and 358,132.62
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Solution
The fourth proportional to 659,938.62, 910,715.28 and 358,132.62 is: 494,223.01
Step by Step Solution
- Step 1: Write the proportion equation
659,938.62 : 910,715.28 = 358,132.62 : x - Step 2: Convert to fraction form
659,938.62/910,715.28 = 358,132.62/x - Step 3: Cross multiply
659,938.62x = 910,715.28 × 358,132.62 - Step 4: Simplify right side
659,938.62x = 326,156,849,300.43 - Step 5: Solve for x
x = 326,156,849,300.43/659,938.62 - Step 6: Final answer
x = 494,223.01
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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.