Finding the Fourth Proportional to 498,124.53, 687,514.14 and 304,564.08
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Solution
The fourth proportional to 498,124.53, 687,514.14 and 304,564.08 is: 420,360.97
Step by Step Solution
- Step 1: Write the proportion equation
498,124.53 : 687,514.14 = 304,564.08 : x - Step 2: Convert to fraction form
498,124.53/687,514.14 = 304,564.08/x - Step 3: Cross multiply
498,124.53x = 687,514.14 × 304,564.08 - Step 4: Simplify right side
498,124.53x = 209,392,111,536.09 - Step 5: Solve for x
x = 209,392,111,536.09/498,124.53 - Step 6: Final answer
x = 420,360.97
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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.