Finding the Fourth Proportional to 519,024.17, 716,274.18 and 289,601.49
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Solution
The fourth proportional to 519,024.17, 716,274.18 and 289,601.49 is: 399,661.68
Step by Step Solution
- Step 1: Write the proportion equation
519,024.17 : 716,274.18 = 289,601.49 : x - Step 2: Convert to fraction form
519,024.17/716,274.18 = 289,601.49/x - Step 3: Cross multiply
519,024.17x = 716,274.18 × 289,601.49 - Step 4: Simplify right side
519,024.17x = 207,434,069,776.53 - Step 5: Solve for x
x = 207,434,069,776.53/519,024.17 - Step 6: Final answer
x = 399,661.68
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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.