Finding the Fourth Proportional to 753,855.18, 1,039,973.33 and 463,202.88
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Solution
The fourth proportional to 753,855.18, 1,039,973.33 and 463,202.88 is: 639,006.87
Step by Step Solution
- Step 1: Write the proportion equation
753,855.18 : 1,039,973.33 = 463,202.88 : x - Step 2: Convert to fraction form
753,855.18/1,039,973.33 = 463,202.88/x - Step 3: Cross multiply
753,855.18x = 1,039,973.33 × 463,202.88 - Step 4: Simplify right side
753,855.18x = 481,718,641,579.19 - Step 5: Solve for x
x = 481,718,641,579.19/753,855.18 - Step 6: Final answer
x = 639,006.87
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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.