Finding the Fourth Proportional to 926,683.28, 1,278,975.94 and 636,056.09
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Solution
The fourth proportional to 926,683.28, 1,278,975.94 and 636,056.09 is: 877,862.43
Step by Step Solution
- Step 1: Write the proportion equation
926,683.28 : 1,278,975.94 = 636,056.09 : x - Step 2: Convert to fraction form
926,683.28/1,278,975.94 = 636,056.09/x - Step 3: Cross multiply
926,683.28x = 1,278,975.94 × 636,056.09 - Step 4: Simplify right side
926,683.28x = 813,500,435,600.48 - Step 5: Solve for x
x = 813,500,435,600.48/926,683.28 - Step 6: Final answer
x = 877,862.43
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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.