Finding the Fourth Proportional to 577,660.91, 865,966.48 and 261,945.59
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Solution
The fourth proportional to 577,660.91, 865,966.48 and 261,945.59 is: 392,680.37
Step by Step Solution
- Step 1: Write the proportion equation
577,660.91 : 865,966.48 = 261,945.59 : x - Step 2: Convert to fraction form
577,660.91/865,966.48 = 261,945.59/x - Step 3: Cross multiply
577,660.91x = 865,966.48 × 261,945.59 - Step 4: Simplify right side
577,660.91x = 226,836,095,539.13 - Step 5: Solve for x
x = 226,836,095,539.13/577,660.91 - Step 6: Final answer
x = 392,680.37
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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.