Finding the Fourth Proportional to 556,926.68, 768,559.52 and 302,277.94
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Solution
The fourth proportional to 556,926.68, 768,559.52 and 302,277.94 is: 417,143.94
Step by Step Solution
- Step 1: Write the proportion equation
556,926.68 : 768,559.52 = 302,277.94 : x - Step 2: Convert to fraction form
556,926.68/768,559.52 = 302,277.94/x - Step 3: Cross multiply
556,926.68x = 768,559.52 × 302,277.94 - Step 4: Simplify right side
556,926.68x = 232,318,588,472.99 - Step 5: Solve for x
x = 232,318,588,472.99/556,926.68 - Step 6: Final answer
x = 417,143.94
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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.