Finding the Fourth Proportional to 556,926.93, 768,560.04 and 302,278.23
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Solution
The fourth proportional to 556,926.93, 768,560.04 and 302,278.23 is: 417,144.43
Step by Step Solution
- Step 1: Write the proportion equation
556,926.93 : 768,560.04 = 302,278.23 : x - Step 2: Convert to fraction form
556,926.93/768,560.04 = 302,278.23/x - Step 3: Cross multiply
556,926.93x = 768,560.04 × 302,278.23 - Step 4: Simplify right side
556,926.93x = 232,318,968,539.93 - Step 5: Solve for x
x = 232,318,968,539.93/556,926.93 - Step 6: Final answer
x = 417,144.43
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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.