Finding the Fourth Proportional to 699,204.04, 964,930.36 and 393,294.68
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Solution
The fourth proportional to 699,204.04, 964,930.36 and 393,294.68 is: 542,762.85
Step by Step Solution
- Step 1: Write the proportion equation
699,204.04 : 964,930.36 = 393,294.68 : x - Step 2: Convert to fraction form
699,204.04/964,930.36 = 393,294.68/x - Step 3: Cross multiply
699,204.04x = 964,930.36 × 393,294.68 - Step 4: Simplify right side
699,204.04x = 379,501,977,158.49 - Step 5: Solve for x
x = 379,501,977,158.49/699,204.04 - Step 6: Final answer
x = 542,762.85
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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.