Finding the Fourth Proportional to 944,603.40, 1,416,905.10 and 907,861.80
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Solution
The fourth proportional to 944,603.40, 1,416,905.10 and 907,861.80 is: 1,361,792.70
Step by Step Solution
- Step 1: Write the proportion equation
944,603.40 : 1,416,905.10 = 907,861.80 : x - Step 2: Convert to fraction form
944,603.40/1,416,905.10 = 907,861.80/x - Step 3: Cross multiply
944,603.40x = 1,416,905.10 × 907,861.80 - Step 4: Simplify right side
944,603.40x = 1,286,354,014,515.18 - Step 5: Solve for x
x = 1,286,354,014,515.18/944,603.40 - Step 6: Final answer
x = 1,361,792.70
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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.