Finding the Fourth Proportional to 705,301.08, 1,058,130.69 and 326,494.99
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Solution
The fourth proportional to 705,301.08, 1,058,130.69 and 326,494.99 is: 489,825.38
Step by Step Solution
- Step 1: Write the proportion equation
705,301.08 : 1,058,130.69 = 326,494.99 : x - Step 2: Convert to fraction form
705,301.08/1,058,130.69 = 326,494.99/x - Step 3: Cross multiply
705,301.08x = 1,058,130.69 × 326,494.99 - Step 4: Simplify right side
705,301.08x = 345,474,369,050.24 - Step 5: Solve for x
x = 345,474,369,050.24/705,301.08 - Step 6: Final answer
x = 489,825.38
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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.