Finding the Fourth Proportional to 844,626.88, 1,165,543.68 and 462,655.36
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Solution
The fourth proportional to 844,626.88, 1,165,543.68 and 462,655.36 is: 638,441.71
Step by Step Solution
- Step 1: Write the proportion equation
844,626.88 : 1,165,543.68 = 462,655.36 : x - Step 2: Convert to fraction form
844,626.88/1,165,543.68 = 462,655.36/x - Step 3: Cross multiply
844,626.88x = 1,165,543.68 × 462,655.36 - Step 4: Simplify right side
844,626.88x = 539,245,030,866.13 - Step 5: Solve for x
x = 539,245,030,866.13/844,626.88 - Step 6: Final answer
x = 638,441.71
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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.