Finding the Fourth Proportional to 709,141.94, 1,058,181.94 and 632,715.08
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Solution
The fourth proportional to 709,141.94, 1,058,181.94 and 632,715.08 is: 944,137.74
Step by Step Solution
- Step 1: Write the proportion equation
709,141.94 : 1,058,181.94 = 632,715.08 : x - Step 2: Convert to fraction form
709,141.94/1,058,181.94 = 632,715.08/x - Step 3: Cross multiply
709,141.94x = 1,058,181.94 × 632,715.08 - Step 4: Simplify right side
709,141.94x = 669,527,670,821.66 - Step 5: Solve for x
x = 669,527,670,821.66/709,141.94 - Step 6: Final answer
x = 944,137.74
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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.