Finding the Fourth Proportional to 760,358.26, 1,049,528.10 and 438,283.63
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Solution
The fourth proportional to 760,358.26, 1,049,528.10 and 438,283.63 is: 604,966.12
Step by Step Solution
- Step 1: Write the proportion equation
760,358.26 : 1,049,528.10 = 438,283.63 : x - Step 2: Convert to fraction form
760,358.26/1,049,528.10 = 438,283.63/x - Step 3: Cross multiply
760,358.26x = 1,049,528.10 × 438,283.63 - Step 4: Simplify right side
760,358.26x = 459,990,985,455.00 - Step 5: Solve for x
x = 459,990,985,455.00/760,358.26 - Step 6: Final answer
x = 604,966.12
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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.