Finding the Fourth Proportional to 584,633.64, 806,496.66 and 355,129.68
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Solution
The fourth proportional to 584,633.64, 806,496.66 and 355,129.68 is: 489,898.09
Step by Step Solution
- Step 1: Write the proportion equation
584,633.64 : 806,496.66 = 355,129.68 : x - Step 2: Convert to fraction form
584,633.64/806,496.66 = 355,129.68/x - Step 3: Cross multiply
584,633.64x = 806,496.66 × 355,129.68 - Step 4: Simplify right side
584,633.64x = 286,410,900,786.87 - Step 5: Solve for x
x = 286,410,900,786.87/584,633.64 - Step 6: Final answer
x = 489,898.09
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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.