Finding the Fourth Proportional to 948,852.74, 1,309,435.69 and 519,142.09
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Solution
The fourth proportional to 948,852.74, 1,309,435.69 and 519,142.09 is: 716,426.43
Step by Step Solution
- Step 1: Write the proportion equation
948,852.74 : 1,309,435.69 = 519,142.09 : x - Step 2: Convert to fraction form
948,852.74/1,309,435.69 = 519,142.09/x - Step 3: Cross multiply
948,852.74x = 1,309,435.69 × 519,142.09 - Step 4: Simplify right side
948,852.74x = 679,783,180,827.19 - Step 5: Solve for x
x = 679,783,180,827.19/948,852.74 - Step 6: Final answer
x = 716,426.43
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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.