Finding the Fourth Proportional to 649,534.81, 967,453.05 and 620,391.67
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Solution
The fourth proportional to 649,534.81, 967,453.05 and 620,391.67 is: 924,045.65
Step by Step Solution
- Step 1: Write the proportion equation
649,534.81 : 967,453.05 = 620,391.67 : x - Step 2: Convert to fraction form
649,534.81/967,453.05 = 620,391.67/x - Step 3: Cross multiply
649,534.81x = 967,453.05 × 620,391.67 - Step 4: Simplify right side
649,534.81x = 600,199,813,336.09 - Step 5: Solve for x
x = 600,199,813,336.09/649,534.81 - Step 6: Final answer
x = 924,045.65
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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.