Finding the Fourth Proportional to 674,913.13, 931,380.64 and 368,984.63
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Solution
The fourth proportional to 674,913.13, 931,380.64 and 368,984.63 is: 509,199.08
Step by Step Solution
- Step 1: Write the proportion equation
674,913.13 : 931,380.64 = 368,984.63 : x - Step 2: Convert to fraction form
674,913.13/931,380.64 = 368,984.63/x - Step 3: Cross multiply
674,913.13x = 931,380.64 × 368,984.63 - Step 4: Simplify right side
674,913.13x = 343,665,142,245.55 - Step 5: Solve for x
x = 343,665,142,245.55/674,913.13 - Step 6: Final answer
x = 509,199.08
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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.