Finding the Fourth Proportional to 709,899.36, 980,697.48 and 614,239.98
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Solution
The fourth proportional to 709,899.36, 980,697.48 and 614,239.98 is: 848,547.88
Step by Step Solution
- Step 1: Write the proportion equation
709,899.36 : 980,697.48 = 614,239.98 : x - Step 2: Convert to fraction form
709,899.36/980,697.48 = 614,239.98/x - Step 3: Cross multiply
709,899.36x = 980,697.48 × 614,239.98 - Step 4: Simplify right side
709,899.36x = 602,383,592,526.56 - Step 5: Solve for x
x = 602,383,592,526.56/709,899.36 - Step 6: Final answer
x = 848,547.88
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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.