Finding the Fourth Proportional to 519,148.99, 716,424.25 and 289,703.84
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Solution
The fourth proportional to 519,148.99, 716,424.25 and 289,703.84 is: 399,790.54
Step by Step Solution
- Step 1: Write the proportion equation
519,148.99 : 716,424.25 = 289,703.84 : x - Step 2: Convert to fraction form
519,148.99/716,424.25 = 289,703.84/x - Step 3: Cross multiply
519,148.99x = 716,424.25 × 289,703.84 - Step 4: Simplify right side
519,148.99x = 207,550,856,294.12 - Step 5: Solve for x
x = 207,550,856,294.12/519,148.99 - Step 6: Final answer
x = 399,790.54
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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.