Finding the Fourth Proportional to 753,395.23, 1,039,958.36 and 498,828.43
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Solution
The fourth proportional to 753,395.23, 1,039,958.36 and 498,828.43 is: 688,563.95
Step by Step Solution
- Step 1: Write the proportion equation
753,395.23 : 1,039,958.36 = 498,828.43 : x - Step 2: Convert to fraction form
753,395.23/1,039,958.36 = 498,828.43/x - Step 3: Cross multiply
753,395.23x = 1,039,958.36 × 498,828.43 - Step 4: Simplify right side
753,395.23x = 518,760,795,984.18 - Step 5: Solve for x
x = 518,760,795,984.18/753,395.23 - Step 6: Final answer
x = 688,563.95
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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.