Finding the Fourth Proportional to 798,162.48, 1,101,489.99 and 453,989.57
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Solution
The fourth proportional to 798,162.48, 1,101,489.99 and 453,989.57 is: 626,520.26
Step by Step Solution
- Step 1: Write the proportion equation
798,162.48 : 1,101,489.99 = 453,989.57 : x - Step 2: Convert to fraction form
798,162.48/1,101,489.99 = 453,989.57/x - Step 3: Cross multiply
798,162.48x = 1,101,489.99 × 453,989.57 - Step 4: Simplify right side
798,162.48x = 500,064,961,411.95 - Step 5: Solve for x
x = 500,064,961,411.95/798,162.48 - Step 6: Final answer
x = 626,520.26
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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.