Finding the Fourth Proportional to 878,802.98, 1,212,701.01 and 496,806.98
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Solution
The fourth proportional to 878,802.98, 1,212,701.01 and 496,806.98 is: 685,567.00
Step by Step Solution
- Step 1: Write the proportion equation
878,802.98 : 1,212,701.01 = 496,806.98 : x - Step 2: Convert to fraction form
878,802.98/1,212,701.01 = 496,806.98/x - Step 3: Cross multiply
878,802.98x = 1,212,701.01 × 496,806.98 - Step 4: Simplify right side
878,802.98x = 602,478,326,421.05 - Step 5: Solve for x
x = 602,478,326,421.05/878,802.98 - Step 6: Final answer
x = 685,567.00
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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.