Finding the Fourth Proportional to 749,147.99, 1,033,808.54 and 409,616.24
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Solution
The fourth proportional to 749,147.99, 1,033,808.54 and 409,616.24 is: 565,261.83
Step by Step Solution
- Step 1: Write the proportion equation
749,147.99 : 1,033,808.54 = 409,616.24 : x - Step 2: Convert to fraction form
749,147.99/1,033,808.54 = 409,616.24/x - Step 3: Cross multiply
749,147.99x = 1,033,808.54 × 409,616.24 - Step 4: Simplify right side
749,147.99x = 423,464,759,817.57 - Step 5: Solve for x
x = 423,464,759,817.57/749,147.99 - Step 6: Final answer
x = 565,261.83
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1.5x scale
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.