Finding the Fourth Proportional to 962,590.91, 1,328,449.21 and 549,136.80
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Solution
The fourth proportional to 962,590.91, 1,328,449.21 and 549,136.80 is: 757,850.86
Step by Step Solution
- Step 1: Write the proportion equation
962,590.91 : 1,328,449.21 = 549,136.80 : x - Step 2: Convert to fraction form
962,590.91/1,328,449.21 = 549,136.80/x - Step 3: Cross multiply
962,590.91x = 1,328,449.21 × 549,136.80 - Step 4: Simplify right side
962,590.91x = 729,500,346,769.09 - Step 5: Solve for x
x = 729,500,346,769.09/962,590.91 - Step 6: Final answer
x = 757,850.86
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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.