Finding the Fourth Proportional to 716,245.84, 1,074,491.16 and 295,291.60
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Solution
The fourth proportional to 716,245.84, 1,074,491.16 and 295,291.60 is: 442,987.86
Step by Step Solution
- Step 1: Write the proportion equation
716,245.84 : 1,074,491.16 = 295,291.60 : x - Step 2: Convert to fraction form
716,245.84/1,074,491.16 = 295,291.60/x - Step 3: Cross multiply
716,245.84x = 1,074,491.16 × 295,291.60 - Step 4: Simplify right side
716,245.84x = 317,288,213,822.26 - Step 5: Solve for x
x = 317,288,213,822.26/716,245.84 - Step 6: Final answer
x = 442,987.86
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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.