Finding the Fourth Proportional to 766,295.15, 1,149,582.14 and 316,771.88
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Solution
The fourth proportional to 766,295.15, 1,149,582.14 and 316,771.88 is: 475,215.45
Step by Step Solution
- Step 1: Write the proportion equation
766,295.15 : 1,149,582.14 = 316,771.88 : x - Step 2: Convert to fraction form
766,295.15/1,149,582.14 = 316,771.88/x - Step 3: Cross multiply
766,295.15x = 1,149,582.14 × 316,771.88 - Step 4: Simplify right side
766,295.15x = 364,155,288,370.45 - Step 5: Solve for x
x = 364,155,288,370.45/766,295.15 - Step 6: Final answer
x = 475,215.45
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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.