Finding the Fourth Proportional to 1,049,700.75, 1,574,800.99 and 339,728.79
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Solution
The fourth proportional to 1,049,700.75, 1,574,800.99 and 339,728.79 is: 509,674.05
Step by Step Solution
- Step 1: Write the proportion equation
1,049,700.75 : 1,574,800.99 = 339,728.79 : x - Step 2: Convert to fraction form
1,049,700.75/1,574,800.99 = 339,728.79/x - Step 3: Cross multiply
1,049,700.75x = 1,574,800.99 × 339,728.79 - Step 4: Simplify right side
1,049,700.75x = 535,005,234,823.50 - Step 5: Solve for x
x = 535,005,234,823.50/1,049,700.75 - Step 6: Final answer
x = 509,674.05
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1.5x scale
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.