Finding the Fourth Proportional to 891,737.12, 1,337,877.84 and 284,509.28
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Solution
The fourth proportional to 891,737.12, 1,337,877.84 and 284,509.28 is: 426,850.75
Step by Step Solution
- Step 1: Write the proportion equation
891,737.12 : 1,337,877.84 = 284,509.28 : x - Step 2: Convert to fraction form
891,737.12/1,337,877.84 = 284,509.28/x - Step 3: Cross multiply
891,737.12x = 1,337,877.84 × 284,509.28 - Step 4: Simplify right side
891,737.12x = 380,638,660,986.36 - Step 5: Solve for x
x = 380,638,660,986.36/891,737.12 - Step 6: Final answer
x = 426,850.75
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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.