Finding the Fourth Proportional to 811,762.92, 1,119,316.08 and 607,158.15
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Solution
The fourth proportional to 811,762.92, 1,119,316.08 and 607,158.15 is: 837,192.56
Step by Step Solution
- Step 1: Write the proportion equation
811,762.92 : 1,119,316.08 = 607,158.15 : x - Step 2: Convert to fraction form
811,762.92/1,119,316.08 = 607,158.15/x - Step 3: Cross multiply
811,762.92x = 1,119,316.08 × 607,158.15 - Step 4: Simplify right side
811,762.92x = 679,601,880,398.05 - Step 5: Solve for x
x = 679,601,880,398.05/811,762.92 - Step 6: Final answer
x = 837,192.56
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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.