Finding the Fourth Proportional to 483,058.40, 724,717.20 and 430,829.60
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Solution
The fourth proportional to 483,058.40, 724,717.20 and 430,829.60 is: 646,359.99
Step by Step Solution
- Step 1: Write the proportion equation
483,058.40 : 724,717.20 = 430,829.60 : x - Step 2: Convert to fraction form
483,058.40/724,717.20 = 430,829.60/x - Step 3: Cross multiply
483,058.40x = 724,717.20 × 430,829.60 - Step 4: Simplify right side
483,058.40x = 312,229,621,389.12 - Step 5: Solve for x
x = 312,229,621,389.12/483,058.40 - Step 6: Final answer
x = 646,359.99
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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.