Finding the Fourth Proportional to 866,214.70, 1,195,383.84 and 479,009.98
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Solution
The fourth proportional to 866,214.70, 1,195,383.84 and 479,009.98 is: 661,037.95
Step by Step Solution
- Step 1: Write the proportion equation
866,214.70 : 1,195,383.84 = 479,009.98 : x - Step 2: Convert to fraction form
866,214.70/1,195,383.84 = 479,009.98/x - Step 3: Cross multiply
866,214.70x = 1,195,383.84 × 479,009.98 - Step 4: Simplify right side
866,214.70x = 572,600,789,290.72 - Step 5: Solve for x
x = 572,600,789,290.72/866,214.70 - Step 6: Final answer
x = 661,037.95
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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.