Finding the Fourth Proportional to 917,971.46, 1,266,407.65 and 573,208.84
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Solution
The fourth proportional to 917,971.46, 1,266,407.65 and 573,208.84 is: 790,782.82
Step by Step Solution
- Step 1: Write the proportion equation
917,971.46 : 1,266,407.65 = 573,208.84 : x - Step 2: Convert to fraction form
917,971.46/1,266,407.65 = 573,208.84/x - Step 3: Cross multiply
917,971.46x = 1,266,407.65 × 573,208.84 - Step 4: Simplify right side
917,971.46x = 725,916,059,736.22 - Step 5: Solve for x
x = 725,916,059,736.22/917,971.46 - Step 6: Final answer
x = 790,782.82
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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.