Finding the Fourth Proportional to 873,490.80, 1,205,383.53 and 486,321.42
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Solution
The fourth proportional to 873,490.80, 1,205,383.53 and 486,321.42 is: 671,104.76
Step by Step Solution
- Step 1: Write the proportion equation
873,490.80 : 1,205,383.53 = 486,321.42 : x - Step 2: Convert to fraction form
873,490.80/1,205,383.53 = 486,321.42/x - Step 3: Cross multiply
873,490.80x = 1,205,383.53 × 486,321.42 - Step 4: Simplify right side
873,490.80x = 586,203,829,954.21 - Step 5: Solve for x
x = 586,203,829,954.21/873,490.80 - Step 6: Final answer
x = 671,104.76
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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.