Finding the Fourth Proportional to 577,117.15, 796,396.99 and 318,980.88
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Solution
The fourth proportional to 577,117.15, 796,396.99 and 318,980.88 is: 440,179.98
Step by Step Solution
- Step 1: Write the proportion equation
577,117.15 : 796,396.99 = 318,980.88 : x - Step 2: Convert to fraction form
577,117.15/796,396.99 = 318,980.88/x - Step 3: Cross multiply
577,117.15x = 796,396.99 × 318,980.88 - Step 4: Simplify right side
577,117.15x = 254,035,411,104.65 - Step 5: Solve for x
x = 254,035,411,104.65/577,117.15 - Step 6: Final answer
x = 440,179.98
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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.