Finding the Fourth Proportional to 487,719.80, 673,283.42 and 366,907.08
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Solution
The fourth proportional to 487,719.80, 673,283.42 and 366,907.08 is: 506,504.87
Step by Step Solution
- Step 1: Write the proportion equation
487,719.80 : 673,283.42 = 366,907.08 : x - Step 2: Convert to fraction form
487,719.80/673,283.42 = 366,907.08/x - Step 3: Cross multiply
487,719.80x = 673,283.42 × 366,907.08 - Step 4: Simplify right side
487,719.80x = 247,032,453,644.61 - Step 5: Solve for x
x = 247,032,453,644.61/487,719.80 - Step 6: Final answer
x = 506,504.87
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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.