Finding the Fourth Proportional to 531,887.70, 733,988.18 and 302,469.90
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Solution
The fourth proportional to 531,887.70, 733,988.18 and 302,469.90 is: 417,398.88
Step by Step Solution
- Step 1: Write the proportion equation
531,887.70 : 733,988.18 = 302,469.90 : x - Step 2: Convert to fraction form
531,887.70/733,988.18 = 302,469.90/x - Step 3: Cross multiply
531,887.70x = 733,988.18 × 302,469.90 - Step 4: Simplify right side
531,887.70x = 222,009,331,405.78 - Step 5: Solve for x
x = 222,009,331,405.78/531,887.70 - Step 6: Final answer
x = 417,398.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.