Finding the Fourth Proportional to 811,768.68, 1,119,324 and 607,163.90
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Solution
The fourth proportional to 811,768.68, 1,119,324 and 607,163.90 is: 837,200.48
Step by Step Solution
- Step 1: Write the proportion equation
811,768.68 : 1,119,324 = 607,163.90 : x - Step 2: Convert to fraction form
811,768.68/1,119,324 = 607,163.90/x - Step 3: Cross multiply
811,768.68x = 1,119,324 × 607,163.90 - Step 4: Simplify right side
811,768.68x = 679,613,125,203.60 - Step 5: Solve for x
x = 679,613,125,203.60/811,768.68 - Step 6: Final answer
x = 837,200.48
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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.