Finding the Fourth Proportional to 866,252.80, 1,195,436.42 and 479,048.09
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Solution
The fourth proportional to 866,252.80, 1,195,436.42 and 479,048.09 is: 661,090.55
Step by Step Solution
- Step 1: Write the proportion equation
866,252.80 : 1,195,436.42 = 479,048.09 : x - Step 2: Convert to fraction form
866,252.80/1,195,436.42 = 479,048.09/x - Step 3: Cross multiply
866,252.80x = 1,195,436.42 × 479,048.09 - Step 4: Simplify right side
866,252.80x = 572,671,537,903.65 - Step 5: Solve for x
x = 572,671,537,903.65/866,252.80 - Step 6: Final answer
x = 661,090.55
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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.