Finding the Fourth Proportional to 969,677.68, 1,451,521.12 and 631,991.92
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Solution
The fourth proportional to 969,677.68, 1,451,521.12 and 631,991.92 is: 946,035.61
Step by Step Solution
- Step 1: Write the proportion equation
969,677.68 : 1,451,521.12 = 631,991.92 : x - Step 2: Convert to fraction form
969,677.68/1,451,521.12 = 631,991.92/x - Step 3: Cross multiply
969,677.68x = 1,451,521.12 × 631,991.92 - Step 4: Simplify right side
969,677.68x = 917,349,619,549.35 - Step 5: Solve for x
x = 917,349,619,549.35/969,677.68 - Step 6: Final answer
x = 946,035.61
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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.