Finding the Fourth Proportional to 589,977.81, 814,161.78 and 335,312.19
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Solution
The fourth proportional to 589,977.81, 814,161.78 and 335,312.19 is: 462,726.50
Step by Step Solution
- Step 1: Write the proportion equation
589,977.81 : 814,161.78 = 335,312.19 : x - Step 2: Convert to fraction form
589,977.81/814,161.78 = 335,312.19/x - Step 3: Cross multiply
589,977.81x = 814,161.78 × 335,312.19 - Step 4: Simplify right side
589,977.81x = 272,998,369,466.10 - Step 5: Solve for x
x = 272,998,369,466.10/589,977.81 - Step 6: Final answer
x = 462,726.50
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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.