Finding the Fourth Proportional to 705,058.19, 972,991.61 and 382,768.03
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Solution
The fourth proportional to 705,058.19, 972,991.61 and 382,768.03 is: 528,226.02
Step by Step Solution
- Step 1: Write the proportion equation
705,058.19 : 972,991.61 = 382,768.03 : x - Step 2: Convert to fraction form
705,058.19/972,991.61 = 382,768.03/x - Step 3: Cross multiply
705,058.19x = 972,991.61 × 382,768.03 - Step 4: Simplify right side
705,058.19x = 372,430,083,311.41 - Step 5: Solve for x
x = 372,430,083,311.41/705,058.19 - Step 6: Final answer
x = 528,226.02
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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.