Finding the Fourth Proportional to 867,564.99, 1,299,083.94 and 698,159.97
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Solution
The fourth proportional to 867,564.99, 1,299,083.94 and 698,159.97 is: 1,045,418.40
Step by Step Solution
- Step 1: Write the proportion equation
867,564.99 : 1,299,083.94 = 698,159.97 : x - Step 2: Convert to fraction form
867,564.99/1,299,083.94 = 698,159.97/x - Step 3: Cross multiply
867,564.99x = 1,299,083.94 × 698,159.97 - Step 4: Simplify right side
867,564.99x = 906,968,404,577.88 - Step 5: Solve for x
x = 906,968,404,577.88/867,564.99 - Step 6: Final answer
x = 1,045,418.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.