Finding the Fourth Proportional to 871,638.87, 1,306,709.39 and 302,946.09
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Solution
The fourth proportional to 871,638.87, 1,306,709.39 and 302,946.09 is: 454,158.84
Step by Step Solution
- Step 1: Write the proportion equation
871,638.87 : 1,306,709.39 = 302,946.09 : x - Step 2: Convert to fraction form
871,638.87/1,306,709.39 = 302,946.09/x - Step 3: Cross multiply
871,638.87x = 1,306,709.39 × 302,946.09 - Step 4: Simplify right side
871,638.87x = 395,862,492,418.51 - Step 5: Solve for x
x = 395,862,492,418.51/871,638.87 - Step 6: Final answer
x = 454,158.84
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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.