Finding the Fourth Proportional to 535,883.06, 804,020.88 and 386,292.26
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Solution
The fourth proportional to 535,883.06, 804,020.88 and 386,292.26 is: 579,579.88
Step by Step Solution
- Step 1: Write the proportion equation
535,883.06 : 804,020.88 = 386,292.26 : x - Step 2: Convert to fraction form
535,883.06/804,020.88 = 386,292.26/x - Step 3: Cross multiply
535,883.06x = 804,020.88 × 386,292.26 - Step 4: Simplify right side
535,883.06x = 310,587,038,802.28 - Step 5: Solve for x
x = 310,587,038,802.28/535,883.06 - Step 6: Final answer
x = 579,579.88
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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.