Finding the Fourth Proportional to 669,805.84, 924,310.73 and 383,319.78
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Solution
The fourth proportional to 669,805.84, 924,310.73 and 383,319.78 is: 528,969.09
Step by Step Solution
- Step 1: Write the proportion equation
669,805.84 : 924,310.73 = 383,319.78 : x - Step 2: Convert to fraction form
669,805.84/924,310.73 = 383,319.78/x - Step 3: Cross multiply
669,805.84x = 924,310.73 × 383,319.78 - Step 4: Simplify right side
669,805.84x = 354,306,585,675.24 - Step 5: Solve for x
x = 354,306,585,675.24/669,805.84 - Step 6: Final answer
x = 528,969.09
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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.