Finding the Fourth Proportional to 817,159.50, 1,225,745.41 and 284,679.68
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Solution
The fourth proportional to 817,159.50, 1,225,745.41 and 284,679.68 is: 427,021.66
Step by Step Solution
- Step 1: Write the proportion equation
817,159.50 : 1,225,745.41 = 284,679.68 : x - Step 2: Convert to fraction form
817,159.50/1,225,745.41 = 284,679.68/x - Step 3: Cross multiply
817,159.50x = 1,225,745.41 × 284,679.68 - Step 4: Simplify right side
817,159.50x = 348,944,804,239.84 - Step 5: Solve for x
x = 348,944,804,239.84/817,159.50 - Step 6: Final answer
x = 427,021.66
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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.