Finding the Fourth Proportional to 493,290.34, 680,489.91 and 299,646.68
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Solution
The fourth proportional to 493,290.34, 680,489.91 and 299,646.68 is: 413,360.09
Step by Step Solution
- Step 1: Write the proportion equation
493,290.34 : 680,489.91 = 299,646.68 : x - Step 2: Convert to fraction form
493,290.34/680,489.91 = 299,646.68/x - Step 3: Cross multiply
493,290.34x = 680,489.91 × 299,646.68 - Step 4: Simplify right side
493,290.34x = 203,906,538,902.55 - Step 5: Solve for x
x = 203,906,538,902.55/493,290.34 - Step 6: Final answer
x = 413,360.09
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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.