Finding the Fourth Proportional to 628,802.99, 867,600.57 and 356,809.31
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Solution
The fourth proportional to 628,802.99, 867,600.57 and 356,809.31 is: 492,313.11
Step by Step Solution
- Step 1: Write the proportion equation
628,802.99 : 867,600.57 = 356,809.31 : x - Step 2: Convert to fraction form
628,802.99/867,600.57 = 356,809.31/x - Step 3: Cross multiply
628,802.99x = 867,600.57 × 356,809.31 - Step 4: Simplify right side
628,802.99x = 309,567,954,615.26 - Step 5: Solve for x
x = 309,567,954,615.26/628,802.99 - Step 6: Final answer
x = 492,313.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.