Finding the Fourth Proportional to 992,310.84, 1,488,355.56 and 272,707.68
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Solution
The fourth proportional to 992,310.84, 1,488,355.56 and 272,707.68 is: 409,031.10
Step by Step Solution
- Step 1: Write the proportion equation
992,310.84 : 1,488,355.56 = 272,707.68 : x - Step 2: Convert to fraction form
992,310.84/1,488,355.56 = 272,707.68/x - Step 3: Cross multiply
992,310.84x = 1,488,355.56 × 272,707.68 - Step 4: Simplify right side
992,310.84x = 405,885,991,782.70 - Step 5: Solve for x
x = 405,885,991,782.70/992,310.84 - Step 6: Final answer
x = 409,031.10
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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.