Finding the Fourth Proportional to 526,356.97, 726,372.93 and 284,639.53
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Solution
The fourth proportional to 526,356.97, 726,372.93 and 284,639.53 is: 392,802.71
Step by Step Solution
- Step 1: Write the proportion equation
526,356.97 : 726,372.93 = 284,639.53 : x - Step 2: Convert to fraction form
526,356.97/726,372.93 = 284,639.53/x - Step 3: Cross multiply
526,356.97x = 726,372.93 × 284,639.53 - Step 4: Simplify right side
526,356.97x = 206,754,446,160.79 - Step 5: Solve for x
x = 206,754,446,160.79/526,356.97 - Step 6: Final answer
x = 392,802.71
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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.