Finding the Fourth Proportional to 890,998.30, 1,336,430.24 and 283,762.07
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Solution
The fourth proportional to 890,998.30, 1,336,430.24 and 283,762.07 is: 425,621.70
Step by Step Solution
- Step 1: Write the proportion equation
890,998.30 : 1,336,430.24 = 283,762.07 : x - Step 2: Convert to fraction form
890,998.30/1,336,430.24 = 283,762.07/x - Step 3: Cross multiply
890,998.30x = 1,336,430.24 × 283,762.07 - Step 4: Simplify right side
890,998.30x = 379,228,211,313.00 - Step 5: Solve for x
x = 379,228,211,313.00/890,998.30 - Step 6: Final answer
x = 425,621.70
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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.