Finding the Fourth Proportional to 575,467.80, 863,201.70 and 486,894.30
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Solution
The fourth proportional to 575,467.80, 863,201.70 and 486,894.30 is: 730,341.45
Step by Step Solution
- Step 1: Write the proportion equation
575,467.80 : 863,201.70 = 486,894.30 : x - Step 2: Convert to fraction form
575,467.80/863,201.70 = 486,894.30/x - Step 3: Cross multiply
575,467.80x = 863,201.70 × 486,894.30 - Step 4: Simplify right side
575,467.80x = 420,287,987,480.31 - Step 5: Solve for x
x = 420,287,987,480.31/575,467.80 - Step 6: Final answer
x = 730,341.45
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1.5x scale
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.