Finding the Fourth Proportional to 556,774.49, 768,350.84 and 302,125.67
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Solution
The fourth proportional to 556,774.49, 768,350.84 and 302,125.67 is: 416,934.53
Step by Step Solution
- Step 1: Write the proportion equation
556,774.49 : 768,350.84 = 302,125.67 : x - Step 2: Convert to fraction form
556,774.49/768,350.84 = 302,125.67/x - Step 3: Cross multiply
556,774.49x = 768,350.84 × 302,125.67 - Step 4: Simplify right side
556,774.49x = 232,138,510,819.43 - Step 5: Solve for x
x = 232,138,510,819.43/556,774.49 - Step 6: Final answer
x = 416,934.53
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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.