Finding the Fourth Proportional to 669,415.92, 923,799.96 and 367,612.08
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Solution
The fourth proportional to 669,415.92, 923,799.96 and 367,612.08 is: 507,307.96
Step by Step Solution
- Step 1: Write the proportion equation
669,415.92 : 923,799.96 = 367,612.08 : x - Step 2: Convert to fraction form
669,415.92/923,799.96 = 367,612.08/x - Step 3: Cross multiply
669,415.92x = 923,799.96 × 367,612.08 - Step 4: Simplify right side
669,415.92x = 339,600,024,799.52 - Step 5: Solve for x
x = 339,600,024,799.52/669,415.92 - Step 6: Final answer
x = 507,307.96
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1.5x scale
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.