Finding the Fourth Proportional to 720,257.31, 1,081,064.07 and 365,525.91
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Solution
The fourth proportional to 720,257.31, 1,081,064.07 and 365,525.91 is: 548,633.00
Step by Step Solution
- Step 1: Write the proportion equation
720,257.31 : 1,081,064.07 = 365,525.91 : x - Step 2: Convert to fraction form
720,257.31/1,081,064.07 = 365,525.91/x - Step 3: Cross multiply
720,257.31x = 1,081,064.07 × 365,525.91 - Step 4: Simplify right side
720,257.31x = 395,156,927,955.05 - Step 5: Solve for x
x = 395,156,927,955.05/720,257.31 - Step 6: Final answer
x = 548,633.00
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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.