Finding the Fourth Proportional to 669,998.12, 924,519.84 and 383,501.12
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Solution
The fourth proportional to 669,998.12, 924,519.84 and 383,501.12 is: 529,187.15
Step by Step Solution
- Step 1: Write the proportion equation
669,998.12 : 924,519.84 = 383,501.12 : x - Step 2: Convert to fraction form
669,998.12/924,519.84 = 383,501.12/x - Step 3: Cross multiply
669,998.12x = 924,519.84 × 383,501.12 - Step 4: Simplify right side
669,998.12x = 354,554,394,102.22 - Step 5: Solve for x
x = 354,554,394,102.22/669,998.12 - Step 6: Final answer
x = 529,187.15
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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.