Finding the Fourth Proportional to 649,532.81, 967,450.07 and 620,389.67
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Solution
The fourth proportional to 649,532.81, 967,450.07 and 620,389.67 is: 924,042.68
Step by Step Solution
- Step 1: Write the proportion equation
649,532.81 : 967,450.07 = 620,389.67 : x - Step 2: Convert to fraction form
649,532.81/967,450.07 = 620,389.67/x - Step 3: Cross multiply
649,532.81x = 967,450.07 × 620,389.67 - Step 4: Simplify right side
649,532.81x = 600,196,033,638.38 - Step 5: Solve for x
x = 600,196,033,638.38/649,532.81 - Step 6: Final answer
x = 924,042.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.