Finding the Fourth Proportional to 717,334.52, 989,883.73 and 411,395.09
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Solution
The fourth proportional to 717,334.52, 989,883.73 and 411,395.09 is: 567,703.48
Step by Step Solution
- Step 1: Write the proportion equation
717,334.52 : 989,883.73 = 411,395.09 : x - Step 2: Convert to fraction form
717,334.52/989,883.73 = 411,395.09/x - Step 3: Cross multiply
717,334.52x = 989,883.73 × 411,395.09 - Step 4: Simplify right side
717,334.52x = 407,233,306,192.89 - Step 5: Solve for x
x = 407,233,306,192.89/717,334.52 - Step 6: Final answer
x = 567,703.48
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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.