Finding the Fourth Proportional to 689,453.51, 1,034,684.48 and 352,775.79
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Solution
The fourth proportional to 689,453.51, 1,034,684.48 and 352,775.79 is: 529,421.68
Step by Step Solution
- Step 1: Write the proportion equation
689,453.51 : 1,034,684.48 = 352,775.79 : x - Step 2: Convert to fraction form
689,453.51/1,034,684.48 = 352,775.79/x - Step 3: Cross multiply
689,453.51x = 1,034,684.48 × 352,775.79 - Step 4: Simplify right side
689,453.51x = 365,011,635,714.68 - Step 5: Solve for x
x = 365,011,635,714.68/689,453.51 - Step 6: Final answer
x = 529,421.68
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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.