Finding the Fourth Proportional to 685,763.58, 1,028,694.65 and 236,477.97
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Solution
The fourth proportional to 685,763.58, 1,028,694.65 and 236,477.97 is: 354,733.95
Step by Step Solution
- Step 1: Write the proportion equation
685,763.58 : 1,028,694.65 = 236,477.97 : x - Step 2: Convert to fraction form
685,763.58/1,028,694.65 = 236,477.97/x - Step 3: Cross multiply
685,763.58x = 1,028,694.65 × 236,477.97 - Step 4: Simplify right side
685,763.58x = 243,263,621,399.47 - Step 5: Solve for x
x = 243,263,621,399.47/685,763.58 - Step 6: Final answer
x = 354,733.95
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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.