Finding the Fourth Proportional to 556,872.84, 768,484.92 and 302,223.96
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Solution
The fourth proportional to 556,872.84, 768,484.92 and 302,223.96 is: 417,069.28
Step by Step Solution
- Step 1: Write the proportion equation
556,872.84 : 768,484.92 = 302,223.96 : x - Step 2: Convert to fraction form
556,872.84/768,484.92 = 302,223.96/x - Step 3: Cross multiply
556,872.84x = 768,484.92 × 302,223.96 - Step 4: Simplify right side
556,872.84x = 232,254,555,722.68 - Step 5: Solve for x
x = 232,254,555,722.68/556,872.84 - Step 6: Final answer
x = 417,069.28
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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.