Finding the Fourth Proportional to 740,557.92, 1,021,969.68 and 401,026.08
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Solution
The fourth proportional to 740,557.92, 1,021,969.68 and 401,026.08 is: 553,415.86
Step by Step Solution
- Step 1: Write the proportion equation
740,557.92 : 1,021,969.68 = 401,026.08 : x - Step 2: Convert to fraction form
740,557.92/1,021,969.68 = 401,026.08/x - Step 3: Cross multiply
740,557.92x = 1,021,969.68 × 401,026.08 - Step 4: Simplify right side
740,557.92x = 409,836,494,649.25 - Step 5: Solve for x
x = 409,836,494,649.25/740,557.92 - Step 6: Final answer
x = 553,415.86
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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.