Finding the Fourth Proportional to 515,587.62, 711,596.42 and 300,727.68
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Solution
The fourth proportional to 515,587.62, 711,596.42 and 300,727.68 is: 415,054.07
Step by Step Solution
- Step 1: Write the proportion equation
515,587.62 : 711,596.42 = 300,727.68 : x - Step 2: Convert to fraction form
515,587.62/711,596.42 = 300,727.68/x - Step 3: Cross multiply
515,587.62x = 711,596.42 × 300,727.68 - Step 4: Simplify right side
515,587.62x = 213,996,740,482.91 - Step 5: Solve for x
x = 213,996,740,482.91/515,587.62 - Step 6: Final answer
x = 415,054.07
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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.