Finding the Fourth Proportional to 722,722.54, 1,085,648.12 and 469,872.99
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Solution
The fourth proportional to 722,722.54, 1,085,648.12 and 469,872.99 is: 705,826.50
Step by Step Solution
- Step 1: Write the proportion equation
722,722.54 : 1,085,648.12 = 469,872.99 : x - Step 2: Convert to fraction form
722,722.54/1,085,648.12 = 469,872.99/x - Step 3: Cross multiply
722,722.54x = 1,085,648.12 × 469,872.99 - Step 4: Simplify right side
722,722.54x = 510,116,720,454.67 - Step 5: Solve for x
x = 510,116,720,454.67/722,722.54 - Step 6: Final answer
x = 705,826.50
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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.