Finding the Fourth Proportional to 809,807.56, 1,117,534.41 and 470,297.68
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Solution
The fourth proportional to 809,807.56, 1,117,534.41 and 470,297.68 is: 649,010.79
Step by Step Solution
- Step 1: Write the proportion equation
809,807.56 : 1,117,534.41 = 470,297.68 : x - Step 2: Convert to fraction form
809,807.56/1,117,534.41 = 470,297.68/x - Step 3: Cross multiply
809,807.56x = 1,117,534.41 × 470,297.68 - Step 4: Simplify right side
809,807.56x = 525,573,840,343.17 - Step 5: Solve for x
x = 525,573,840,343.17/809,807.56 - Step 6: Final answer
x = 649,010.79
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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.