Finding the Fourth Proportional to 685,584.60, 1,028,209.10 and 286,228.68
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Solution
The fourth proportional to 685,584.60, 1,028,209.10 and 286,228.68 is: 429,272.96
Step by Step Solution
- Step 1: Write the proportion equation
685,584.60 : 1,028,209.10 = 286,228.68 : x - Step 2: Convert to fraction form
685,584.60/1,028,209.10 = 286,228.68/x - Step 3: Cross multiply
685,584.60x = 1,028,209.10 × 286,228.68 - Step 4: Simplify right side
685,584.60x = 294,302,933,456.99 - Step 5: Solve for x
x = 294,302,933,456.99/685,584.60 - Step 6: Final answer
x = 429,272.96
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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.