Finding the Fourth Proportional to 464,743.80, 697,115.70 and 371,431.80
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Solution
The fourth proportional to 464,743.80, 697,115.70 and 371,431.80 is: 557,147.70
Step by Step Solution
- Step 1: Write the proportion equation
464,743.80 : 697,115.70 = 371,431.80 : x - Step 2: Convert to fraction form
464,743.80/697,115.70 = 371,431.80/x - Step 3: Cross multiply
464,743.80x = 697,115.70 × 371,431.80 - Step 4: Simplify right side
464,743.80x = 258,930,939,259.26 - Step 5: Solve for x
x = 258,930,939,259.26/464,743.80 - Step 6: Final answer
x = 557,147.70
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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.