Finding the Fourth Proportional to 809,317.87, 1,116,852.36 and 446,741.84
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Solution
The fourth proportional to 809,317.87, 1,116,852.36 and 446,741.84 is: 616,500.26
Step by Step Solution
- Step 1: Write the proportion equation
809,317.87 : 1,116,852.36 = 446,741.84 : x - Step 2: Convert to fraction form
809,317.87/1,116,852.36 = 446,741.84/x - Step 3: Cross multiply
809,317.87x = 1,116,852.36 × 446,741.84 - Step 4: Simplify right side
809,317.87x = 498,944,678,314.74 - Step 5: Solve for x
x = 498,944,678,314.74/809,317.87 - Step 6: Final answer
x = 616,500.26
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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.