Finding the Fourth Proportional to 874,384.09, 1,206,631.86 and 487,197.96
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Solution
The fourth proportional to 874,384.09, 1,206,631.86 and 487,197.96 is: 672,323.06
Step by Step Solution
- Step 1: Write the proportion equation
874,384.09 : 1,206,631.86 = 487,197.96 : x - Step 2: Convert to fraction form
874,384.09/1,206,631.86 = 487,197.96/x - Step 3: Cross multiply
874,384.09x = 1,206,631.86 × 487,197.96 - Step 4: Simplify right side
874,384.09x = 587,868,588,602.83 - Step 5: Solve for x
x = 587,868,588,602.83/874,384.09 - Step 6: Final answer
x = 672,323.06
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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.