Finding the Fourth Proportional to 630,791.01, 870,495.17 and 344,304.81
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Solution
The fourth proportional to 630,791.01, 870,495.17 and 344,304.81 is: 475,142.59
Step by Step Solution
- Step 1: Write the proportion equation
630,791.01 : 870,495.17 = 344,304.81 : x - Step 2: Convert to fraction form
630,791.01/870,495.17 = 344,304.81/x - Step 3: Cross multiply
630,791.01x = 870,495.17 × 344,304.81 - Step 4: Simplify right side
630,791.01x = 299,715,672,391.24 - Step 5: Solve for x
x = 299,715,672,391.24/630,791.01 - Step 6: Final answer
x = 475,142.59
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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.