Finding the Fourth Proportional to 833,101.88, 1,149,681.20 and 451,128.96
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Solution
The fourth proportional to 833,101.88, 1,149,681.20 and 451,128.96 is: 622,558.29
Step by Step Solution
- Step 1: Write the proportion equation
833,101.88 : 1,149,681.20 = 451,128.96 : x - Step 2: Convert to fraction form
833,101.88/1,149,681.20 = 451,128.96/x - Step 3: Cross multiply
833,101.88x = 1,149,681.20 × 451,128.96 - Step 4: Simplify right side
833,101.88x = 518,654,481,831.91 - Step 5: Solve for x
x = 518,654,481,831.91/833,101.88 - Step 6: Final answer
x = 622,558.29
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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.