Finding the Fourth Proportional to 512,299.04, 707,427.68 and 319,038.62
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Solution
The fourth proportional to 512,299.04, 707,427.68 and 319,038.62 is: 440,556.65
Step by Step Solution
- Step 1: Write the proportion equation
512,299.04 : 707,427.68 = 319,038.62 : x - Step 2: Convert to fraction form
512,299.04/707,427.68 = 319,038.62/x - Step 3: Cross multiply
512,299.04x = 707,427.68 × 319,038.62 - Step 4: Simplify right side
512,299.04x = 225,696,745,644.67 - Step 5: Solve for x
x = 225,696,745,644.67/512,299.04 - Step 6: Final answer
x = 440,556.65
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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.