Finding the Fourth Proportional to 553,991.31, 830,745.57 and 294,272.07
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Solution
The fourth proportional to 553,991.31, 830,745.57 and 294,272.07 is: 441,279.88
Step by Step Solution
- Step 1: Write the proportion equation
553,991.31 : 830,745.57 = 294,272.07 : x - Step 2: Convert to fraction form
553,991.31/830,745.57 = 294,272.07/x - Step 3: Cross multiply
553,991.31x = 830,745.57 × 294,272.07 - Step 4: Simplify right side
553,991.31x = 244,465,218,527.23 - Step 5: Solve for x
x = 244,465,218,527.23/553,991.31 - Step 6: Final answer
x = 441,279.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.