Finding the Fourth Proportional to 669,939.24, 924,557.49 and 383,452.77
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Solution
The fourth proportional to 669,939.24, 924,557.49 and 383,452.77 is: 529,188.48
Step by Step Solution
- Step 1: Write the proportion equation
669,939.24 : 924,557.49 = 383,452.77 : x - Step 2: Convert to fraction form
669,939.24/924,557.49 = 383,452.77/x - Step 3: Cross multiply
669,939.24x = 924,557.49 × 383,452.77 - Step 4: Simplify right side
669,939.24x = 354,524,130,564.75 - Step 5: Solve for x
x = 354,524,130,564.75/669,939.24 - Step 6: Final answer
x = 529,188.48
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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.