Finding the Fourth Proportional to 556,888.66, 768,506.91 and 302,239.96
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Solution
The fourth proportional to 556,888.66, 768,506.91 and 302,239.96 is: 417,091.45
Step by Step Solution
- Step 1: Write the proportion equation
556,888.66 : 768,506.91 = 302,239.96 : x - Step 2: Convert to fraction form
556,888.66/768,506.91 = 302,239.96/x - Step 3: Cross multiply
556,888.66x = 768,506.91 × 302,239.96 - Step 4: Simplify right side
556,888.66x = 232,273,497,738.12 - Step 5: Solve for x
x = 232,273,497,738.12/556,888.66 - Step 6: Final answer
x = 417,091.45
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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.