Finding the Fourth Proportional to 716,425.70, 988,675.67 and 410,495.99
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Solution
The fourth proportional to 716,425.70, 988,675.67 and 410,495.99 is: 566,489.17
Step by Step Solution
- Step 1: Write the proportion equation
716,425.70 : 988,675.67 = 410,495.99 : x - Step 2: Convert to fraction form
716,425.70/988,675.67 = 410,495.99/x - Step 3: Cross multiply
716,425.70x = 988,675.67 × 410,495.99 - Step 4: Simplify right side
716,425.70x = 405,847,394,028.43 - Step 5: Solve for x
x = 405,847,394,028.43/716,425.70 - Step 6: Final answer
x = 566,489.17
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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.