Finding the Fourth Proportional to 831,412.68, 1,146,584.34 and 544,828.68
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Solution
The fourth proportional to 831,412.68, 1,146,584.34 and 544,828.68 is: 751,362.17
Step by Step Solution
- Step 1: Write the proportion equation
831,412.68 : 1,146,584.34 = 544,828.68 : x - Step 2: Convert to fraction form
831,412.68/1,146,584.34 = 544,828.68/x - Step 3: Cross multiply
831,412.68x = 1,146,584.34 × 544,828.68 - Step 4: Simplify right side
831,412.68x = 624,692,032,470.87 - Step 5: Solve for x
x = 624,692,032,470.87/831,412.68 - Step 6: Final answer
x = 751,362.17
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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.