Finding the Fourth Proportional to 639,570.69, 882,506.99 and 367,586.07
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Solution
The fourth proportional to 639,570.69, 882,506.99 and 367,586.07 is: 507,210.98
Step by Step Solution
- Step 1: Write the proportion equation
639,570.69 : 882,506.99 = 367,586.07 : x - Step 2: Convert to fraction form
639,570.69/882,506.99 = 367,586.07/x - Step 3: Cross multiply
639,570.69x = 882,506.99 × 367,586.07 - Step 4: Simplify right side
639,570.69x = 324,397,273,811.19 - Step 5: Solve for x
x = 324,397,273,811.19/639,570.69 - Step 6: Final answer
x = 507,210.98
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1.5x scale
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.