Finding the Fourth Proportional to 653,763.26, 902,266.35 and 395,782.36
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Solution
The fourth proportional to 653,763.26, 902,266.35 and 395,782.36 is: 546,223.88
Step by Step Solution
- Step 1: Write the proportion equation
653,763.26 : 902,266.35 = 395,782.36 : x - Step 2: Convert to fraction form
653,763.26/902,266.35 = 395,782.36/x - Step 3: Cross multiply
653,763.26x = 902,266.35 × 395,782.36 - Step 4: Simplify right side
653,763.26x = 357,101,105,351.59 - Step 5: Solve for x
x = 357,101,105,351.59/653,763.26 - Step 6: Final answer
x = 546,223.88
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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.