Finding the Fourth Proportional to 869,185.44, 1,303,005.36 and 329,065.68
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Solution
The fourth proportional to 869,185.44, 1,303,005.36 and 329,065.68 is: 493,305.94
Step by Step Solution
- Step 1: Write the proportion equation
869,185.44 : 1,303,005.36 = 329,065.68 : x - Step 2: Convert to fraction form
869,185.44/1,303,005.36 = 329,065.68/x - Step 3: Cross multiply
869,185.44x = 1,303,005.36 × 329,065.68 - Step 4: Simplify right side
869,185.44x = 428,774,344,832.05 - Step 5: Solve for x
x = 428,774,344,832.05/869,185.44 - Step 6: Final answer
x = 493,305.94
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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.