Finding the Fourth Proportional to 717,827.27, 990,593.58 and 407,727.68
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Solution
The fourth proportional to 717,827.27, 990,593.58 and 407,727.68 is: 562,659.62
Step by Step Solution
- Step 1: Write the proportion equation
717,827.27 : 990,593.58 = 407,727.68 : x - Step 2: Convert to fraction form
717,827.27/990,593.58 = 407,727.68/x - Step 3: Cross multiply
717,827.27x = 990,593.58 × 407,727.68 - Step 4: Simplify right side
717,827.27x = 403,892,418,772.31 - Step 5: Solve for x
x = 403,892,418,772.31/717,827.27 - Step 6: Final answer
x = 562,659.62
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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.