Finding the Fourth Proportional to 514,391.92, 709,841.28 and 288,026.08
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Solution
The fourth proportional to 514,391.92, 709,841.28 and 288,026.08 is: 397,465.03
Step by Step Solution
- Step 1: Write the proportion equation
514,391.92 : 709,841.28 = 288,026.08 : x - Step 2: Convert to fraction form
514,391.92/709,841.28 = 288,026.08/x - Step 3: Cross multiply
514,391.92x = 709,841.28 × 288,026.08 - Step 4: Simplify right side
514,391.92x = 204,452,801,300.58 - Step 5: Solve for x
x = 204,452,801,300.58/514,391.92 - Step 6: Final answer
x = 397,465.03
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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.