Finding the Fourth Proportional to 1,058,546.53, 1,587,817.35 and 459,430.03
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Solution
The fourth proportional to 1,058,546.53, 1,587,817.35 and 459,430.03 is: 689,143.98
Step by Step Solution
- Step 1: Write the proportion equation
1,058,546.53 : 1,587,817.35 = 459,430.03 : x - Step 2: Convert to fraction form
1,058,546.53/1,587,817.35 = 459,430.03/x - Step 3: Cross multiply
1,058,546.53x = 1,587,817.35 × 459,430.03 - Step 4: Simplify right side
1,058,546.53x = 729,490,972,745.02 - Step 5: Solve for x
x = 729,490,972,745.02/1,058,546.53 - Step 6: Final answer
x = 689,143.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.