Finding the Fourth Proportional to 659,074.17, 909,512.49 and 372,584.19
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Solution
The fourth proportional to 659,074.17, 909,512.49 and 372,584.19 is: 514,160.61
Step by Step Solution
- Step 1: Write the proportion equation
659,074.17 : 909,512.49 = 372,584.19 : x - Step 2: Convert to fraction form
659,074.17/909,512.49 = 372,584.19/x - Step 3: Cross multiply
659,074.17x = 909,512.49 × 372,584.19 - Step 4: Simplify right side
659,074.17x = 338,869,974,381.53 - Step 5: Solve for x
x = 338,869,974,381.53/659,074.17 - Step 6: Final answer
x = 514,160.61
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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.