Finding the Fourth Proportional to 916,691.41, 1,265,024.62 and 508,796.81
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Solution
The fourth proportional to 916,691.41, 1,265,024.62 and 508,796.81 is: 702,134.31
Step by Step Solution
- Step 1: Write the proportion equation
916,691.41 : 1,265,024.62 = 508,796.81 : x - Step 2: Convert to fraction form
916,691.41/1,265,024.62 = 508,796.81/x - Step 3: Cross multiply
916,691.41x = 1,265,024.62 × 508,796.81 - Step 4: Simplify right side
916,691.41x = 643,640,491,227.46 - Step 5: Solve for x
x = 643,640,491,227.46/916,691.41 - Step 6: Final answer
x = 702,134.31
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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.