Finding the Fourth Proportional to 879,882.24, 1,214,237.52 and 477,474.24
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Solution
The fourth proportional to 879,882.24, 1,214,237.52 and 477,474.24 is: 658,914.47
Step by Step Solution
- Step 1: Write the proportion equation
879,882.24 : 1,214,237.52 = 477,474.24 : x - Step 2: Convert to fraction form
879,882.24/1,214,237.52 = 477,474.24/x - Step 3: Cross multiply
879,882.24x = 1,214,237.52 × 477,474.24 - Step 4: Simplify right side
879,882.24x = 579,767,137,041.49 - Step 5: Solve for x
x = 579,767,137,041.49/879,882.24 - Step 6: Final answer
x = 658,914.47
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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.