Finding the Fourth Proportional to 827,773.63, 1,142,128.05 and 483,414.08
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Solution
The fourth proportional to 827,773.63, 1,142,128.05 and 483,414.08 is: 666,994.88
Step by Step Solution
- Step 1: Write the proportion equation
827,773.63 : 1,142,128.05 = 483,414.08 : x - Step 2: Convert to fraction form
827,773.63/1,142,128.05 = 483,414.08/x - Step 3: Cross multiply
827,773.63x = 1,142,128.05 × 483,414.08 - Step 4: Simplify right side
827,773.63x = 552,120,773,009.50 - Step 5: Solve for x
x = 552,120,773,009.50/827,773.63 - Step 6: Final answer
x = 666,994.88
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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.