Finding the Fourth Proportional to 683,276.70, 1,024,915.05 and 672,779.10
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Solution
The fourth proportional to 683,276.70, 1,024,915.05 and 672,779.10 is: 1,009,168.65
Step by Step Solution
- Step 1: Write the proportion equation
683,276.70 : 1,024,915.05 = 672,779.10 : x - Step 2: Convert to fraction form
683,276.70/1,024,915.05 = 672,779.10/x - Step 3: Cross multiply
683,276.70x = 1,024,915.05 × 672,779.10 - Step 4: Simplify right side
683,276.70x = 689,541,424,915.46 - Step 5: Solve for x
x = 689,541,424,915.46/683,276.70 - Step 6: Final answer
x = 1,009,168.65
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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.