Finding the Fourth Proportional to 1,058,451.84, 1,587,703.68 and 310,521.60
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Solution
The fourth proportional to 1,058,451.84, 1,587,703.68 and 310,521.60 is: 465,790.00
Step by Step Solution
- Step 1: Write the proportion equation
1,058,451.84 : 1,587,703.68 = 310,521.60 : x - Step 2: Convert to fraction form
1,058,451.84/1,587,703.68 = 310,521.60/x - Step 3: Cross multiply
1,058,451.84x = 1,587,703.68 × 310,521.60 - Step 4: Simplify right side
1,058,451.84x = 493,016,287,039.49 - Step 5: Solve for x
x = 493,016,287,039.49/1,058,451.84 - Step 6: Final answer
x = 465,790.00
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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.