Finding the Fourth Proportional to 697,448.40, 1,045,913.40 and 276,637.20
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Solution
The fourth proportional to 697,448.40, 1,045,913.40 and 276,637.20 is: 414,852.99
Step by Step Solution
- Step 1: Write the proportion equation
697,448.40 : 1,045,913.40 = 276,637.20 : x - Step 2: Convert to fraction form
697,448.40/1,045,913.40 = 276,637.20/x - Step 3: Cross multiply
697,448.40x = 1,045,913.40 × 276,637.20 - Step 4: Simplify right side
697,448.40x = 289,338,554,418.48 - Step 5: Solve for x
x = 289,338,554,418.48/697,448.40 - Step 6: Final answer
x = 414,852.99
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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.