Finding the Fourth Proportional to 738,603.66, 1,107,489.93 and 233,070.42
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Solution
The fourth proportional to 738,603.66, 1,107,489.93 and 233,070.42 is: 349,474.50
Step by Step Solution
- Step 1: Write the proportion equation
738,603.66 : 1,107,489.93 = 233,070.42 : x - Step 2: Convert to fraction form
738,603.66/1,107,489.93 = 233,070.42/x - Step 3: Cross multiply
738,603.66x = 1,107,489.93 × 233,070.42 - Step 4: Simplify right side
738,603.66x = 258,123,143,130.87 - Step 5: Solve for x
x = 258,123,143,130.87/738,603.66 - Step 6: Final answer
x = 349,474.50
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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.