Finding the Fourth Proportional to 689,673.48, 951,606.77 and 403,138.14
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Solution
The fourth proportional to 689,673.48, 951,606.77 and 403,138.14 is: 556,247.26
Step by Step Solution
- Step 1: Write the proportion equation
689,673.48 : 951,606.77 = 403,138.14 : x - Step 2: Convert to fraction form
689,673.48/951,606.77 = 403,138.14/x - Step 3: Cross multiply
689,673.48x = 951,606.77 × 403,138.14 - Step 4: Simplify right side
689,673.48x = 383,628,981,253.52 - Step 5: Solve for x
x = 383,628,981,253.52/689,673.48 - Step 6: Final answer
x = 556,247.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.