Finding the Fourth Proportional to 917,852.40, 1,266,664.50 and 555,342.84
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Solution
The fourth proportional to 917,852.40, 1,266,664.50 and 555,342.84 is: 766,390.17
Step by Step Solution
- Step 1: Write the proportion equation
917,852.40 : 1,266,664.50 = 555,342.84 : x - Step 2: Convert to fraction form
917,852.40/1,266,664.50 = 555,342.84/x - Step 3: Cross multiply
917,852.40x = 1,266,664.50 × 555,342.84 - Step 4: Simplify right side
917,852.40x = 703,433,060,757.18 - Step 5: Solve for x
x = 703,433,060,757.18/917,852.40 - Step 6: Final answer
x = 766,390.17
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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.