Finding the Fourth Proportional to 931,630.84, 1,397,368.26 and 257,720.44
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Solution
The fourth proportional to 931,630.84, 1,397,368.26 and 257,720.44 is: 386,559.08
Step by Step Solution
- Step 1: Write the proportion equation
931,630.84 : 1,397,368.26 = 257,720.44 : x - Step 2: Convert to fraction form
931,630.84/1,397,368.26 = 257,720.44/x - Step 3: Cross multiply
931,630.84x = 1,397,368.26 × 257,720.44 - Step 4: Simplify right side
931,630.84x = 360,130,362,809.23 - Step 5: Solve for x
x = 360,130,362,809.23/931,630.84 - Step 6: Final answer
x = 386,559.08
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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.