Finding the Fourth Proportional to 953,438.99, 1,315,753.61 and 523,728.72
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Solution
The fourth proportional to 953,438.99, 1,315,753.61 and 523,728.72 is: 722,749.92
Step by Step Solution
- Step 1: Write the proportion equation
953,438.99 : 1,315,753.61 = 523,728.72 : x - Step 2: Convert to fraction form
953,438.99/1,315,753.61 = 523,728.72/x - Step 3: Cross multiply
953,438.99x = 1,315,753.61 × 523,728.72 - Step 4: Simplify right side
953,438.99x = 689,097,951,382.04 - Step 5: Solve for x
x = 689,097,951,382.04/953,438.99 - Step 6: Final answer
x = 722,749.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.