Finding the Fourth Proportional to 725,137.98, 1,082,964.86 and 617,373.06
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Solution
The fourth proportional to 725,137.98, 1,082,964.86 and 617,373.06 is: 922,022.21
Step by Step Solution
- Step 1: Write the proportion equation
725,137.98 : 1,082,964.86 = 617,373.06 : x - Step 2: Convert to fraction form
725,137.98/1,082,964.86 = 617,373.06/x - Step 3: Cross multiply
725,137.98x = 1,082,964.86 × 617,373.06 - Step 4: Simplify right side
725,137.98x = 668,593,326,403.81 - Step 5: Solve for x
x = 668,593,326,403.81/725,137.98 - Step 6: Final answer
x = 922,022.21
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.