Finding the Fourth Proportional to 524,954.25, 724,660.79 and 352,971.90
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Solution
The fourth proportional to 524,954.25, 724,660.79 and 352,971.90 is: 487,251.79
Step by Step Solution
- Step 1: Write the proportion equation
524,954.25 : 724,660.79 = 352,971.90 : x - Step 2: Convert to fraction form
524,954.25/724,660.79 = 352,971.90/x - Step 3: Cross multiply
524,954.25x = 724,660.79 × 352,971.90 - Step 4: Simplify right side
524,954.25x = 255,784,896,122.41 - Step 5: Solve for x
x = 255,784,896,122.41/524,954.25 - Step 6: Final answer
x = 487,251.79
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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.