Finding the Fourth Proportional to 572,069.88, 789,368.76 and 342,573.42
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Solution
The fourth proportional to 572,069.88, 789,368.76 and 342,573.42 is: 472,698.82
Step by Step Solution
- Step 1: Write the proportion equation
572,069.88 : 789,368.76 = 342,573.42 : x - Step 2: Convert to fraction form
572,069.88/789,368.76 = 342,573.42/x - Step 3: Cross multiply
572,069.88x = 789,368.76 × 342,573.42 - Step 4: Simplify right side
572,069.88x = 270,416,755,754.36 - Step 5: Solve for x
x = 270,416,755,754.36/572,069.88 - Step 6: Final answer
x = 472,698.82
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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.