Finding the Fourth Proportional to 738,292.60, 1,107,438.90 and 724,295.80
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Solution
The fourth proportional to 738,292.60, 1,107,438.90 and 724,295.80 is: 1,086,443.70
Step by Step Solution
- Step 1: Write the proportion equation
738,292.60 : 1,107,438.90 = 724,295.80 : x - Step 2: Convert to fraction form
738,292.60/1,107,438.90 = 724,295.80/x - Step 3: Cross multiply
738,292.60x = 1,107,438.90 × 724,295.80 - Step 4: Simplify right side
738,292.60x = 802,113,344,026.62 - Step 5: Solve for x
x = 802,113,344,026.62/738,292.60 - Step 6: Final answer
x = 1,086,443.70
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1.5x scale
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.