Finding the Fourth Proportional to 815,281.83, 1,125,192.69 and 492,994.26
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Solution
The fourth proportional to 815,281.83, 1,125,192.69 and 492,994.26 is: 680,394.82
Step by Step Solution
- Step 1: Write the proportion equation
815,281.83 : 1,125,192.69 = 492,994.26 : x - Step 2: Convert to fraction form
815,281.83/1,125,192.69 = 492,994.26/x - Step 3: Cross multiply
815,281.83x = 1,125,192.69 × 492,994.26 - Step 4: Simplify right side
815,281.83x = 554,713,537,563.96 - Step 5: Solve for x
x = 554,713,537,563.96/815,281.83 - Step 6: Final answer
x = 680,394.82
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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.