Finding the Fourth Proportional to 758,511.04, 1,136,859.36 and 353,156.80
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Solution
The fourth proportional to 758,511.04, 1,136,859.36 and 353,156.80 is: 529,312.81
Step by Step Solution
- Step 1: Write the proportion equation
758,511.04 : 1,136,859.36 = 353,156.80 : x - Step 2: Convert to fraction form
758,511.04/1,136,859.36 = 353,156.80/x - Step 3: Cross multiply
758,511.04x = 1,136,859.36 × 353,156.80 - Step 4: Simplify right side
758,511.04x = 401,489,613,627.65 - Step 5: Solve for x
x = 401,489,613,627.65/758,511.04 - Step 6: Final answer
x = 529,312.81
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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.