Finding the Fourth Proportional to 628,578.23, 867,529.37 and 352,967.02
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Solution
The fourth proportional to 628,578.23, 867,529.37 and 352,967.02 is: 487,145.82
Step by Step Solution
- Step 1: Write the proportion equation
628,578.23 : 867,529.37 = 352,967.02 : x - Step 2: Convert to fraction form
628,578.23/867,529.37 = 352,967.02/x - Step 3: Cross multiply
628,578.23x = 867,529.37 × 352,967.02 - Step 4: Simplify right side
628,578.23x = 306,209,255,204.97 - Step 5: Solve for x
x = 306,209,255,204.97/628,578.23 - Step 6: Final answer
x = 487,145.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.