Finding the Fourth Proportional to 519,022.67, 716,272.11 and 289,599.99
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Solution
The fourth proportional to 519,022.67, 716,272.11 and 289,599.99 is: 399,659.61
Step by Step Solution
- Step 1: Write the proportion equation
519,022.67 : 716,272.11 = 289,599.99 : x - Step 2: Convert to fraction form
519,022.67/716,272.11 = 289,599.99/x - Step 3: Cross multiply
519,022.67x = 716,272.11 × 289,599.99 - Step 4: Simplify right side
519,022.67x = 207,432,395,893.28 - Step 5: Solve for x
x = 207,432,395,893.28/519,022.67 - Step 6: Final answer
x = 399,659.61
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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.