Finding the Fourth Proportional to 809,493.05, 1,117,231.68 and 470,158.13
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Solution
The fourth proportional to 809,493.05, 1,117,231.68 and 470,158.13 is: 648,894.46
Step by Step Solution
- Step 1: Write the proportion equation
809,493.05 : 1,117,231.68 = 470,158.13 : x - Step 2: Convert to fraction form
809,493.05/1,117,231.68 = 470,158.13/x - Step 3: Cross multiply
809,493.05x = 1,117,231.68 × 470,158.13 - Step 4: Simplify right side
809,493.05x = 525,275,551,859.40 - Step 5: Solve for x
x = 525,275,551,859.40/809,493.05 - Step 6: Final answer
x = 648,894.46
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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.