Finding the Fourth Proportional to 877,709.08, 1,211,231.52 and 475,301.08
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Solution
The fourth proportional to 877,709.08, 1,211,231.52 and 475,301.08 is: 655,911.69
Step by Step Solution
- Step 1: Write the proportion equation
877,709.08 : 1,211,231.52 = 475,301.08 : x - Step 2: Convert to fraction form
877,709.08/1,211,231.52 = 475,301.08/x - Step 3: Cross multiply
877,709.08x = 1,211,231.52 × 475,301.08 - Step 4: Simplify right side
877,709.08x = 575,699,649,586.04 - Step 5: Solve for x
x = 575,699,649,586.04/877,709.08 - Step 6: Final answer
x = 655,911.69
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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.