Finding the Fourth Proportional to 760,425.16, 1,049,649.06 and 438,263.68
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Solution
The fourth proportional to 760,425.16, 1,049,649.06 and 438,263.68 is: 604,955.08
Step by Step Solution
- Step 1: Write the proportion equation
760,425.16 : 1,049,649.06 = 438,263.68 : x - Step 2: Convert to fraction form
760,425.16/1,049,649.06 = 438,263.68/x - Step 3: Cross multiply
760,425.16x = 1,049,649.06 × 438,263.68 - Step 4: Simplify right side
760,425.16x = 460,023,059,744.14 - Step 5: Solve for x
x = 460,023,059,744.14/760,425.16 - Step 6: Final answer
x = 604,955.08
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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.