Finding the Fourth Proportional to 519,025.67, 716,276.25 and 289,602.99
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Solution
The fourth proportional to 519,025.67, 716,276.25 and 289,602.99 is: 399,663.75
Step by Step Solution
- Step 1: Write the proportion equation
519,025.67 : 716,276.25 = 289,602.99 : x - Step 2: Convert to fraction form
519,025.67/716,276.25 = 289,602.99/x - Step 3: Cross multiply
519,025.67x = 716,276.25 × 289,602.99 - Step 4: Simplify right side
519,025.67x = 207,435,743,665.99 - Step 5: Solve for x
x = 207,435,743,665.99/519,025.67 - Step 6: Final answer
x = 399,663.75
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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.