Finding the Fourth Proportional to 668,142.80, 1,001,047.80 and 574,830.80
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Solution
The fourth proportional to 668,142.80, 1,001,047.80 and 574,830.80 is: 861,242.70
Step by Step Solution
- Step 1: Write the proportion equation
668,142.80 : 1,001,047.80 = 574,830.80 : x - Step 2: Convert to fraction form
668,142.80/1,001,047.80 = 574,830.80/x - Step 3: Cross multiply
668,142.80x = 1,001,047.80 × 574,830.80 - Step 4: Simplify right side
668,142.80x = 575,433,107,712.24 - Step 5: Solve for x
x = 575,433,107,712.24/668,142.80 - Step 6: Final answer
x = 861,242.70
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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.