Finding the Fourth Proportional to 834,204.70, 1,251,307.05 and 479,910.70
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Solution
The fourth proportional to 834,204.70, 1,251,307.05 and 479,910.70 is: 719,866.05
Step by Step Solution
- Step 1: Write the proportion equation
834,204.70 : 1,251,307.05 = 479,910.70 : x - Step 2: Convert to fraction form
834,204.70/1,251,307.05 = 479,910.70/x - Step 3: Cross multiply
834,204.70x = 1,251,307.05 × 479,910.70 - Step 4: Simplify right side
834,204.70x = 600,515,642,280.44 - Step 5: Solve for x
x = 600,515,642,280.44/834,204.70 - Step 6: Final answer
x = 719,866.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.