Finding the Fourth Proportional to 683,312.28, 1,024,079.37 and 278,032.18
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Solution
The fourth proportional to 683,312.28, 1,024,079.37 and 278,032.18 is: 416,686.53
Step by Step Solution
- Step 1: Write the proportion equation
683,312.28 : 1,024,079.37 = 278,032.18 : x - Step 2: Convert to fraction form
683,312.28/1,024,079.37 = 278,032.18/x - Step 3: Cross multiply
683,312.28x = 1,024,079.37 × 278,032.18 - Step 4: Simplify right side
683,312.28x = 284,727,019,734.13 - Step 5: Solve for x
x = 284,727,019,734.13/683,312.28 - Step 6: Final answer
x = 416,686.53
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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.