Finding the Fourth Proportional to 746,969.19, 1,120,461.48 and 214,488.96
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Solution
The fourth proportional to 746,969.19, 1,120,461.48 and 214,488.96 is: 321,735.65
Step by Step Solution
- Step 1: Write the proportion equation
746,969.19 : 1,120,461.48 = 214,488.96 : x - Step 2: Convert to fraction form
746,969.19/1,120,461.48 = 214,488.96/x - Step 3: Cross multiply
746,969.19x = 1,120,461.48 × 214,488.96 - Step 4: Simplify right side
746,969.19x = 240,326,617,565.26 - Step 5: Solve for x
x = 240,326,617,565.26/746,969.19 - Step 6: Final answer
x = 321,735.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.