Finding the Fourth Proportional to 984,288, 1,358,317.68 and 531,579.12
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Solution
The fourth proportional to 984,288, 1,358,317.68 and 531,579.12 is: 733,579.32
Step by Step Solution
- Step 1: Write the proportion equation
984,288 : 1,358,317.68 = 531,579.12 : x - Step 2: Convert to fraction form
984,288/1,358,317.68 = 531,579.12/x - Step 3: Cross multiply
984,288x = 1,358,317.68 × 531,579.12 - Step 4: Simplify right side
984,288x = 722,053,317,014.84 - Step 5: Solve for x
x = 722,053,317,014.84/984,288 - Step 6: Final answer
x = 733,579.32
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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.