Finding the Fourth Proportional to 498,039.42, 687,326.88 and 283,199.48
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Solution
The fourth proportional to 498,039.42, 687,326.88 and 283,199.48 is: 390,833.75
Step by Step Solution
- Step 1: Write the proportion equation
498,039.42 : 687,326.88 = 283,199.48 : x - Step 2: Convert to fraction form
498,039.42/687,326.88 = 283,199.48/x - Step 3: Cross multiply
498,039.42x = 687,326.88 × 283,199.48 - Step 4: Simplify right side
498,039.42x = 194,650,615,006.02 - Step 5: Solve for x
x = 194,650,615,006.02/498,039.42 - Step 6: Final answer
x = 390,833.75
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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.