Finding the Fourth Proportional to 798,844.68, 1,102,360.50 and 476,918.28
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Solution
The fourth proportional to 798,844.68, 1,102,360.50 and 476,918.28 is: 658,120.27
Step by Step Solution
- Step 1: Write the proportion equation
798,844.68 : 1,102,360.50 = 476,918.28 : x - Step 2: Convert to fraction form
798,844.68/1,102,360.50 = 476,918.28/x - Step 3: Cross multiply
798,844.68x = 1,102,360.50 × 476,918.28 - Step 4: Simplify right side
798,844.68x = 525,735,873,599.94 - Step 5: Solve for x
x = 525,735,873,599.94/798,844.68 - Step 6: Final answer
x = 658,120.27
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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.