Finding the Fourth Proportional to 734,878.26, 1,102,318.20 and 291,646.26
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Solution
The fourth proportional to 734,878.26, 1,102,318.20 and 291,646.26 is: 437,469.71
Step by Step Solution
- Step 1: Write the proportion equation
734,878.26 : 1,102,318.20 = 291,646.26 : x - Step 2: Convert to fraction form
734,878.26/1,102,318.20 = 291,646.26/x - Step 3: Cross multiply
734,878.26x = 1,102,318.20 × 291,646.26 - Step 4: Simplify right side
734,878.26x = 321,486,980,359.93 - Step 5: Solve for x
x = 321,486,980,359.93/734,878.26 - Step 6: Final answer
x = 437,469.71
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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.