Finding the Fourth Proportional to 869,322.63, 1,303,713.90 and 419,763.99
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Solution
The fourth proportional to 869,322.63, 1,303,713.90 and 419,763.99 is: 629,515.59
Step by Step Solution
- Step 1: Write the proportion equation
869,322.63 : 1,303,713.90 = 419,763.99 : x - Step 2: Convert to fraction form
869,322.63/1,303,713.90 = 419,763.99/x - Step 3: Cross multiply
869,322.63x = 1,303,713.90 × 419,763.99 - Step 4: Simplify right side
869,322.63x = 547,252,148,482.46 - Step 5: Solve for x
x = 547,252,148,482.46/869,322.63 - Step 6: Final answer
x = 629,515.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.