Finding the Fourth Proportional to 518,326.96, 776,481.68 and 293,005.80
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Solution
The fourth proportional to 518,326.96, 776,481.68 and 293,005.80 is: 438,938.46
Step by Step Solution
- Step 1: Write the proportion equation
518,326.96 : 776,481.68 = 293,005.80 : x - Step 2: Convert to fraction form
518,326.96/776,481.68 = 293,005.80/x - Step 3: Cross multiply
518,326.96x = 776,481.68 × 293,005.80 - Step 4: Simplify right side
518,326.96x = 227,513,635,833.74 - Step 5: Solve for x
x = 227,513,635,833.74/518,326.96 - Step 6: Final answer
x = 438,938.46
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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.