Finding the Fourth Proportional to 512,252.71, 706,251.63 and 420,032.26
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Solution
The fourth proportional to 512,252.71, 706,251.63 and 420,032.26 is: 579,105.71
Step by Step Solution
- Step 1: Write the proportion equation
512,252.71 : 706,251.63 = 420,032.26 : x - Step 2: Convert to fraction form
512,252.71/706,251.63 = 420,032.26/x - Step 3: Cross multiply
512,252.71x = 706,251.63 × 420,032.26 - Step 4: Simplify right side
512,252.71x = 296,648,468,277.58 - Step 5: Solve for x
x = 296,648,468,277.58/512,252.71 - Step 6: Final answer
x = 579,105.71
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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.