Finding the Fourth Proportional to 801,440.24, 1,105,987.50 and 438,886.26
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Solution
The fourth proportional to 801,440.24, 1,105,987.50 and 438,886.26 is: 605,663.03
Step by Step Solution
- Step 1: Write the proportion equation
801,440.24 : 1,105,987.50 = 438,886.26 : x - Step 2: Convert to fraction form
801,440.24/1,105,987.50 = 438,886.26/x - Step 3: Cross multiply
801,440.24x = 1,105,987.50 × 438,886.26 - Step 4: Simplify right side
801,440.24x = 485,402,717,481.75 - Step 5: Solve for x
x = 485,402,717,481.75/801,440.24 - Step 6: Final answer
x = 605,663.03
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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.