Finding the Fourth Proportional to 508,717.06, 702,032.28 and 317,841.17
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Solution
The fourth proportional to 508,717.06, 702,032.28 and 317,841.17 is: 438,622.52
Step by Step Solution
- Step 1: Write the proportion equation
508,717.06 : 702,032.28 = 317,841.17 : x - Step 2: Convert to fraction form
508,717.06/702,032.28 = 317,841.17/x - Step 3: Cross multiply
508,717.06x = 702,032.28 × 317,841.17 - Step 4: Simplify right side
508,717.06x = 223,134,761,252.97 - Step 5: Solve for x
x = 223,134,761,252.97/508,717.06 - Step 6: Final answer
x = 438,622.52
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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.