Finding the Fourth Proportional to 669,883.12, 924,385.08 and 383,337.52
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Solution
The fourth proportional to 669,883.12, 924,385.08 and 383,337.52 is: 528,975.09
Step by Step Solution
- Step 1: Write the proportion equation
669,883.12 : 924,385.08 = 383,337.52 : x - Step 2: Convert to fraction form
669,883.12/924,385.08 = 383,337.52/x - Step 3: Cross multiply
669,883.12x = 924,385.08 × 383,337.52 - Step 4: Simplify right side
669,883.12x = 354,351,484,092.20 - Step 5: Solve for x
x = 354,351,484,092.20/669,883.12 - Step 6: Final answer
x = 528,975.09
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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.