Finding the Fourth Proportional to 1,058,705.24, 1,588,063.21 and 259,987.09
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Solution
The fourth proportional to 1,058,705.24, 1,588,063.21 and 259,987.09 is: 389,981.95
Step by Step Solution
- Step 1: Write the proportion equation
1,058,705.24 : 1,588,063.21 = 259,987.09 : x - Step 2: Convert to fraction form
1,058,705.24/1,588,063.21 = 259,987.09/x - Step 3: Cross multiply
1,058,705.24x = 1,588,063.21 × 259,987.09 - Step 4: Simplify right side
1,058,705.24x = 412,875,932,703.96 - Step 5: Solve for x
x = 412,875,932,703.96/1,058,705.24 - Step 6: Final answer
x = 389,981.95
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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.