Finding the Fourth Proportional to 716,740.62, 1,074,854.78 and 236,879.62
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Solution
The fourth proportional to 716,740.62, 1,074,854.78 and 236,879.62 is: 355,234.77
Step by Step Solution
- Step 1: Write the proportion equation
716,740.62 : 1,074,854.78 = 236,879.62 : x - Step 2: Convert to fraction form
716,740.62/1,074,854.78 = 236,879.62/x - Step 3: Cross multiply
716,740.62x = 1,074,854.78 × 236,879.62 - Step 4: Simplify right side
716,740.62x = 254,611,191,841.58 - Step 5: Solve for x
x = 254,611,191,841.58/716,740.62 - Step 6: Final answer
x = 355,234.77
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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.