Finding the Fourth Proportional to 907,489.80, 1,361,234.70 and 907,489.80
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Solution
The fourth proportional to 907,489.80, 1,361,234.70 and 907,489.80 is: 1,361,234.70
Step by Step Solution
- Step 1: Write the proportion equation
907,489.80 : 1,361,234.70 = 907,489.80 : x - Step 2: Convert to fraction form
907,489.80/1,361,234.70 = 907,489.80/x - Step 3: Cross multiply
907,489.80x = 1,361,234.70 × 907,489.80 - Step 4: Simplify right side
907,489.80x = 1,235,306,605,656.06 - Step 5: Solve for x
x = 1,235,306,605,656.06/907,489.80 - Step 6: Final answer
x = 1,361,234.70
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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.