Finding the Fourth Proportional to 669,545.46, 924,133.68 and 383,231.70
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Solution
The fourth proportional to 669,545.46, 924,133.68 and 383,231.70 is: 528,951.87
Step by Step Solution
- Step 1: Write the proportion equation
669,545.46 : 924,133.68 = 383,231.70 : x - Step 2: Convert to fraction form
669,545.46/924,133.68 = 383,231.70/x - Step 3: Cross multiply
669,545.46x = 924,133.68 × 383,231.70 - Step 4: Simplify right side
669,545.46x = 354,157,321,213.66 - Step 5: Solve for x
x = 354,157,321,213.66/669,545.46 - Step 6: Final answer
x = 528,951.87
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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.