Finding the Fourth Proportional to 750,819.70, 1,126,233.60 and 189,854.20
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Solution
The fourth proportional to 750,819.70, 1,126,233.60 and 189,854.20 is: 284,782.32
Step by Step Solution
- Step 1: Write the proportion equation
750,819.70 : 1,126,233.60 = 189,854.20 : x - Step 2: Convert to fraction form
750,819.70/1,126,233.60 = 189,854.20/x - Step 3: Cross multiply
750,819.70x = 1,126,233.60 × 189,854.20 - Step 4: Simplify right side
750,819.70x = 213,820,179,141.12 - Step 5: Solve for x
x = 213,820,179,141.12/750,819.70 - Step 6: Final answer
x = 284,782.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.