Finding the Fourth Proportional to 831,415.68, 1,146,588.48 and 544,831.68
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Solution
The fourth proportional to 831,415.68, 1,146,588.48 and 544,831.68 is: 751,366.31
Step by Step Solution
- Step 1: Write the proportion equation
831,415.68 : 1,146,588.48 = 544,831.68 : x - Step 2: Convert to fraction form
831,415.68/1,146,588.48 = 544,831.68/x - Step 3: Cross multiply
831,415.68x = 1,146,588.48 × 544,831.68 - Step 4: Simplify right side
831,415.68x = 624,697,727,827.05 - Step 5: Solve for x
x = 624,697,727,827.05/831,415.68 - Step 6: Final answer
x = 751,366.31
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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.