Finding the Fourth Proportional to 698,130.99, 1,047,137.99 and 277,293.87
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Solution
The fourth proportional to 698,130.99, 1,047,137.99 and 277,293.87 is: 415,917.57
Step by Step Solution
- Step 1: Write the proportion equation
698,130.99 : 1,047,137.99 = 277,293.87 : x - Step 2: Convert to fraction form
698,130.99/1,047,137.99 = 277,293.87/x - Step 3: Cross multiply
698,130.99x = 1,047,137.99 × 277,293.87 - Step 4: Simplify right side
698,130.99x = 290,364,944,284.65 - Step 5: Solve for x
x = 290,364,944,284.65/698,130.99 - Step 6: Final answer
x = 415,917.57
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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.