Finding the Fourth Proportional to 574,307.18, 792,513.82 and 316,133.70
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Solution
The fourth proportional to 574,307.18, 792,513.82 and 316,133.70 is: 436,247.95
Step by Step Solution
- Step 1: Write the proportion equation
574,307.18 : 792,513.82 = 316,133.70 : x - Step 2: Convert to fraction form
574,307.18/792,513.82 = 316,133.70/x - Step 3: Cross multiply
574,307.18x = 792,513.82 × 316,133.70 - Step 4: Simplify right side
574,307.18x = 250,540,328,098.87 - Step 5: Solve for x
x = 250,540,328,098.87/574,307.18 - Step 6: Final answer
x = 436,247.95
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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.