Finding the Fourth Proportional to 860,133.49, 1,289,347.99 and 403,908.01
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Solution
The fourth proportional to 860,133.49, 1,289,347.99 and 403,908.01 is: 605,461.81
Step by Step Solution
- Step 1: Write the proportion equation
860,133.49 : 1,289,347.99 = 403,908.01 : x - Step 2: Convert to fraction form
860,133.49/1,289,347.99 = 403,908.01/x - Step 3: Cross multiply
860,133.49x = 1,289,347.99 × 403,908.01 - Step 4: Simplify right side
860,133.49x = 520,777,976,605.26 - Step 5: Solve for x
x = 520,777,976,605.26/860,133.49 - Step 6: Final answer
x = 605,461.81
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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.