Finding the Fourth Proportional to 779,750.70, 1,170,144.45 and 442,790.70
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Solution
The fourth proportional to 779,750.70, 1,170,144.45 and 442,790.70 is: 664,480.43
Step by Step Solution
- Step 1: Write the proportion equation
779,750.70 : 1,170,144.45 = 442,790.70 : x - Step 2: Convert to fraction form
779,750.70/1,170,144.45 = 442,790.70/x - Step 3: Cross multiply
779,750.70x = 1,170,144.45 × 442,790.70 - Step 4: Simplify right side
779,750.70x = 518,129,080,116.62 - Step 5: Solve for x
x = 518,129,080,116.62/779,750.70 - Step 6: Final answer
x = 664,480.43
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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.