Finding the Fourth Proportional to 750,375.75, 1,125,774.50 and 301,411.83
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Solution
The fourth proportional to 750,375.75, 1,125,774.50 and 301,411.83 is: 452,202.45
Step by Step Solution
- Step 1: Write the proportion equation
750,375.75 : 1,125,774.50 = 301,411.83 : x - Step 2: Convert to fraction form
750,375.75/1,125,774.50 = 301,411.83/x - Step 3: Cross multiply
750,375.75x = 1,125,774.50 × 301,411.83 - Step 4: Simplify right side
750,375.75x = 339,321,750,705.28 - Step 5: Solve for x
x = 339,321,750,705.28/750,375.75 - Step 6: Final answer
x = 452,202.45
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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.