Finding the Fourth Proportional to 556,975.68, 768,627.36 and 302,326.80
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Solution
The fourth proportional to 556,975.68, 768,627.36 and 302,326.80 is: 417,211.48
Step by Step Solution
- Step 1: Write the proportion equation
556,975.68 : 768,627.36 = 302,326.80 : x - Step 2: Convert to fraction form
556,975.68/768,627.36 = 302,326.80/x - Step 3: Cross multiply
556,975.68x = 768,627.36 × 302,326.80 - Step 4: Simplify right side
556,975.68x = 232,376,650,141.25 - Step 5: Solve for x
x = 232,376,650,141.25/556,975.68 - Step 6: Final answer
x = 417,211.48
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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.