Finding the Fourth Proportional to 556,853.84, 768,458.70 and 302,204.96
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Solution
The fourth proportional to 556,853.84, 768,458.70 and 302,204.96 is: 417,043.06
Step by Step Solution
- Step 1: Write the proportion equation
556,853.84 : 768,458.70 = 302,204.96 : x - Step 2: Convert to fraction form
556,853.84/768,458.70 = 302,204.96/x - Step 3: Cross multiply
556,853.84x = 768,458.70 × 302,204.96 - Step 4: Simplify right side
556,853.84x = 232,232,030,695.15 - Step 5: Solve for x
x = 232,232,030,695.15/556,853.84 - Step 6: Final answer
x = 417,043.06
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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.