Finding the Fourth Proportional to 665,575.56, 918,915.26 and 512,325.68
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Solution
The fourth proportional to 665,575.56, 918,915.26 and 512,325.68 is: 707,333.48
Step by Step Solution
- Step 1: Write the proportion equation
665,575.56 : 918,915.26 = 512,325.68 : x - Step 2: Convert to fraction form
665,575.56/918,915.26 = 512,325.68/x - Step 3: Cross multiply
665,575.56x = 918,915.26 × 512,325.68 - Step 4: Simplify right side
665,575.56x = 470,783,878,285.67 - Step 5: Solve for x
x = 470,783,878,285.67/665,575.56 - Step 6: Final answer
x = 707,333.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.