Finding the Fourth Proportional to 705,749.03, 1,058,028.42 and 306,088.79
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Solution
The fourth proportional to 705,749.03, 1,058,028.42 and 306,088.79 is: 458,875.07
Step by Step Solution
- Step 1: Write the proportion equation
705,749.03 : 1,058,028.42 = 306,088.79 : x - Step 2: Convert to fraction form
705,749.03/1,058,028.42 = 306,088.79/x - Step 3: Cross multiply
705,749.03x = 1,058,028.42 × 306,088.79 - Step 4: Simplify right side
705,749.03x = 323,850,633,573.27 - Step 5: Solve for x
x = 323,850,633,573.27/705,749.03 - Step 6: Final answer
x = 458,875.07
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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.