Finding the Fourth Proportional to 902,011.86, 1,353,462.36 and 422,272.14
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Solution
The fourth proportional to 902,011.86, 1,353,462.36 and 422,272.14 is: 633,616.33
Step by Step Solution
- Step 1: Write the proportion equation
902,011.86 : 1,353,462.36 = 422,272.14 : x - Step 2: Convert to fraction form
902,011.86/1,353,462.36 = 422,272.14/x - Step 3: Cross multiply
902,011.86x = 1,353,462.36 × 422,272.14 - Step 4: Simplify right side
902,011.86x = 571,529,447,166.65 - Step 5: Solve for x
x = 571,529,447,166.65/902,011.86 - Step 6: Final answer
x = 633,616.33
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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.