Finding the Fourth Proportional to 674,415.62, 930,682.62 and 368,485.46
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Solution
The fourth proportional to 674,415.62, 930,682.62 and 368,485.46 is: 508,503.96
Step by Step Solution
- Step 1: Write the proportion equation
674,415.62 : 930,682.62 = 368,485.46 : x - Step 2: Convert to fraction form
674,415.62/930,682.62 = 368,485.46/x - Step 3: Cross multiply
674,415.62x = 930,682.62 × 368,485.46 - Step 4: Simplify right side
674,415.62x = 342,943,013,344.71 - Step 5: Solve for x
x = 342,943,013,344.71/674,415.62 - Step 6: Final answer
x = 508,503.96
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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.