Finding the Fourth Proportional to 659,037.21, 909,510.57 and 372,583.95
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Solution
The fourth proportional to 659,037.21, 909,510.57 and 372,583.95 is: 514,188.02
Step by Step Solution
- Step 1: Write the proportion equation
659,037.21 : 909,510.57 = 372,583.95 : x - Step 2: Convert to fraction form
659,037.21/909,510.57 = 372,583.95/x - Step 3: Cross multiply
659,037.21x = 909,510.57 × 372,583.95 - Step 4: Simplify right side
659,037.21x = 338,869,040,737.35 - Step 5: Solve for x
x = 338,869,040,737.35/659,037.21 - Step 6: Final answer
x = 514,188.02
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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.