Finding the Fourth Proportional to 1,149,280.14, 1,722,737.34 and 509,885.00
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Solution
The fourth proportional to 1,149,280.14, 1,722,737.34 and 509,885.00 is: 764,302.71
Step by Step Solution
- Step 1: Write the proportion equation
1,149,280.14 : 1,722,737.34 = 509,885.00 : x - Step 2: Convert to fraction form
1,149,280.14/1,722,737.34 = 509,885.00/x - Step 3: Cross multiply
1,149,280.14x = 1,722,737.34 × 509,885.00 - Step 4: Simplify right side
1,149,280.14x = 878,397,919,992.21 - Step 5: Solve for x
x = 878,397,919,992.21/1,149,280.14 - Step 6: Final answer
x = 764,302.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.