Finding the Fourth Proportional to 812,563.25, 1,121,036.15 and 526,241.21
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Solution
The fourth proportional to 812,563.25, 1,121,036.15 and 526,241.21 is: 726,017.84
Step by Step Solution
- Step 1: Write the proportion equation
812,563.25 : 1,121,036.15 = 526,241.21 : x - Step 2: Convert to fraction form
812,563.25/1,121,036.15 = 526,241.21/x - Step 3: Cross multiply
812,563.25x = 1,121,036.15 × 526,241.21 - Step 4: Simplify right side
812,563.25x = 589,935,415,740.16 - Step 5: Solve for x
x = 589,935,415,740.16/812,563.25 - Step 6: Final answer
x = 726,017.84
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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.