Finding the Fourth Proportional to 1,394,973.50, 2,092,479.70 and 397,701.50
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Solution
The fourth proportional to 1,394,973.50, 2,092,479.70 and 397,701.50 is: 596,557.80
Step by Step Solution
- Step 1: Write the proportion equation
1,394,973.50 : 2,092,479.70 = 397,701.50 : x - Step 2: Convert to fraction form
1,394,973.50/2,092,479.70 = 397,701.50/x - Step 3: Cross multiply
1,394,973.50x = 2,092,479.70 × 397,701.50 - Step 4: Simplify right side
1,394,973.50x = 832,182,315,409.55 - Step 5: Solve for x
x = 832,182,315,409.55/1,394,973.50 - Step 6: Final answer
x = 596,557.80
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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.