Finding the Fourth Proportional to 718,115.40, 1,077,372.36 and 313,343.01
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Solution
The fourth proportional to 718,115.40, 1,077,372.36 and 313,343.01 is: 470,101.46
Step by Step Solution
- Step 1: Write the proportion equation
718,115.40 : 1,077,372.36 = 313,343.01 : x - Step 2: Convert to fraction form
718,115.40/1,077,372.36 = 313,343.01/x - Step 3: Cross multiply
718,115.40x = 1,077,372.36 × 313,343.01 - Step 4: Simplify right side
718,115.40x = 337,587,098,173.20 - Step 5: Solve for x
x = 337,587,098,173.20/718,115.40 - Step 6: Final answer
x = 470,101.46
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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.