Finding the Fourth Proportional to 766,835.91, 1,058,254.88 and 440,177.09
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Solution
The fourth proportional to 766,835.91, 1,058,254.88 and 440,177.09 is: 607,456.61
Step by Step Solution
- Step 1: Write the proportion equation
766,835.91 : 1,058,254.88 = 440,177.09 : x - Step 2: Convert to fraction form
766,835.91/1,058,254.88 = 440,177.09/x - Step 3: Cross multiply
766,835.91x = 1,058,254.88 × 440,177.09 - Step 4: Simplify right side
766,835.91x = 465,819,546,064.54 - Step 5: Solve for x
x = 465,819,546,064.54/766,835.91 - Step 6: Final answer
x = 607,456.61
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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.