Finding the Fourth Proportional to 771,598.09, 1,157,424.99 and 266,175.56
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Solution
The fourth proportional to 771,598.09, 1,157,424.99 and 266,175.56 is: 399,272.95
Step by Step Solution
- Step 1: Write the proportion equation
771,598.09 : 1,157,424.99 = 266,175.56 : x - Step 2: Convert to fraction form
771,598.09/1,157,424.99 = 266,175.56/x - Step 3: Cross multiply
771,598.09x = 1,157,424.99 × 266,175.56 - Step 4: Simplify right side
771,598.09x = 308,078,244,871.24 - Step 5: Solve for x
x = 308,078,244,871.24/771,598.09 - Step 6: Final answer
x = 399,272.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.