Finding the Fourth Proportional to 613,924.14, 921,514.62 and 506,967.31
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Solution
The fourth proportional to 613,924.14, 921,514.62 and 506,967.31 is: 760,969.89
Step by Step Solution
- Step 1: Write the proportion equation
613,924.14 : 921,514.62 = 506,967.31 : x - Step 2: Convert to fraction form
613,924.14/921,514.62 = 506,967.31/x - Step 3: Cross multiply
613,924.14x = 921,514.62 × 506,967.31 - Step 4: Simplify right side
613,924.14x = 467,177,788,027.07 - Step 5: Solve for x
x = 467,177,788,027.07/613,924.14 - Step 6: Final answer
x = 760,969.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.