Finding the Fourth Proportional to 620,854.65, 856,782.36 and 362,746.26
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Solution
The fourth proportional to 620,854.65, 856,782.36 and 362,746.26 is: 500,591.56
Step by Step Solution
- Step 1: Write the proportion equation
620,854.65 : 856,782.36 = 362,746.26 : x - Step 2: Convert to fraction form
620,854.65/856,782.36 = 362,746.26/x - Step 3: Cross multiply
620,854.65x = 856,782.36 × 362,746.26 - Step 4: Simplify right side
620,854.65x = 310,794,596,723.97 - Step 5: Solve for x
x = 310,794,596,723.97/620,854.65 - Step 6: Final answer
x = 500,591.56
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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.