Finding the Fourth Proportional to 674,579.68, 930,937.44 and 368,668.96
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Solution
The fourth proportional to 674,579.68, 930,937.44 and 368,668.96 is: 508,772.72
Step by Step Solution
- Step 1: Write the proportion equation
674,579.68 : 930,937.44 = 368,668.96 : x - Step 2: Convert to fraction form
674,579.68/930,937.44 = 368,668.96/x - Step 3: Cross multiply
674,579.68x = 930,937.44 × 368,668.96 - Step 4: Simplify right side
674,579.68x = 343,207,737,829.86 - Step 5: Solve for x
x = 343,207,737,829.86/674,579.68 - Step 6: Final answer
x = 508,772.72
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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.