Finding the Fourth Proportional to 748,398.04, 1,122,772.38 and 511,852.12
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Solution
The fourth proportional to 748,398.04, 1,122,772.38 and 511,852.12 is: 767,898.09
Step by Step Solution
- Step 1: Write the proportion equation
748,398.04 : 1,122,772.38 = 511,852.12 : x - Step 2: Convert to fraction form
748,398.04/1,122,772.38 = 511,852.12/x - Step 3: Cross multiply
748,398.04x = 1,122,772.38 × 511,852.12 - Step 4: Simplify right side
748,398.04x = 574,693,422,980.45 - Step 5: Solve for x
x = 574,693,422,980.45/748,398.04 - Step 6: Final answer
x = 767,898.09
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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.